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234112440 = 233517114761
BaseRepresentation
bin11011111010001…
…00010110111000
3121022112010220010
431331010112320
5434413044230
635121501520
75541631362
oct1575042670
9538463803
10234112440
11110172161
12664a18a0
133966c093
1423141d32
15158469b0
hexdf445b8

234112440 has 64 divisors (see below), whose sum is σ = 743657760. Its totient is φ = 58757120.

The previous prime is 234112429. The next prime is 234112441. The reversal of 234112440 is 44211432.

234112440 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (234112441) 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, 55341 + ... + 59420.

Almost surely, 2234112440 is an apocalyptic number.

234112440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

234112440 is an abundant number, since it is smaller than the sum of its proper divisors (509545320).

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

234112440 is a wasteful number, since it uses less digits than its factorization.

234112440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114792 (or 114788 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 234112440 is about 15300.7333157597. The cubic root of 234112440 is about 616.3227001499.

Adding to 234112440 its reverse (44211432), we get a palindrome (278323872).

The spelling of 234112440 in words is "two hundred thirty-four million, one hundred twelve thousand, four hundred forty".

Divisors: 1 2 3 4 5 6 8 10 12 15 17 20 24 30 34 40 51 60 68 85 102 120 136 170 204 255 340 408 510 680 1020 2040 114761 229522 344283 459044 573805 688566 918088 1147610 1377132 1721415 1950937 2295220 2754264 3442830 3901874 4590440 5852811 6885660 7803748 9754685 11705622 13771320 15607496 19509370 23411244 29264055 39018740 46822488 58528110 78037480 117056220 234112440