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234215040 = 2735199613
BaseRepresentation
bin11011111010111…
…01011010000000
3121022201100122010
431331131122000
5434424340130
635124012520
75542536453
oct1575353200
9538640563
10234215040
11110232254
1266531140
13396a69a7
142316b49a
15158670b0
hexdf5d680

234215040 has 128 divisors (see below), whose sum is σ = 751536000. Its totient is φ = 62042112.

The previous prime is 234215039. The next prime is 234215041. The reversal of 234215040 is 40512432.

234215040 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (234215039) and next prime (234215041).

It is a tau number, because it is divible by the number of its divisors (128).

It is a junction number, because it is equal to n+sod(n) for n = 234214998 and 234215016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (234215041) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 381774 + ... + 382386.

It is an arithmetic number, because the mean of its divisors is an integer number (5871375).

Almost surely, 2234215040 is an apocalyptic number.

234215040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 234215040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (375768000).

234215040 is an abundant number, since it is smaller than the sum of its proper divisors (517320960).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

234215040 is a wasteful number, since it uses less digits than its factorization.

234215040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 834 (or 822 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 234215040 is about 15304.0857289810. The cubic root of 234215040 is about 616.4127216708.

Adding to 234215040 its reverse (40512432), we get a palindrome (274727472).

The spelling of 234215040 in words is "two hundred thirty-four million, two hundred fifteen thousand, forty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 32 40 48 60 64 80 96 120 128 160 192 199 240 320 384 398 480 597 613 640 796 960 995 1194 1226 1592 1839 1920 1990 2388 2452 2985 3065 3184 3678 3980 4776 4904 5970 6130 6368 7356 7960 9195 9552 9808 11940 12260 12736 14712 15920 18390 19104 19616 23880 24520 25472 29424 31840 36780 38208 39232 47760 49040 58848 63680 73560 76416 78464 95520 98080 117696 121987 127360 147120 191040 196160 235392 243974 294240 365961 382080 392320 487948 588480 609935 731922 975896 1176960 1219870 1463844 1829805 1951792 2439740 2927688 3659610 3903584 4879480 5855376 7319220 7807168 9758960 11710752 14638440 15614336 19517920 23421504 29276880 39035840 46843008 58553760 78071680 117107520 234215040