Search a number
-
+
9231452840 = 2352916348823
BaseRepresentation
bin10001001100011110…
…01100101010101000
3212211100121101121202
420212033030222220
5122401222442330
64124010023332
7444523024451
oct104617145250
925740541552
109231452840
113a07a07175
121957717b48
13b416ca93c
14638064128
1539069a445
hex2263ccaa8

9231452840 has 64 divisors (see below), whose sum is σ = 21619267200. Its totient is φ = 3543305472.

The previous prime is 9231452819. The next prime is 9231452843. The reversal of 9231452840 is 482541329.

It is a junction number, because it is equal to n+sod(n) for n = 9231452794 and 9231452803.

It is not an unprimeable number, because it can be changed into a prime (9231452843) 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, 164669 + ... + 213491.

It is an arithmetic number, because the mean of its divisors is an integer number (337801050).

Almost surely, 29231452840 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9231452840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10809633600).

9231452840 is an abundant number, since it is smaller than the sum of its proper divisors (12387814360).

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

9231452840 is a wasteful number, since it uses less digits than its factorization.

9231452840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49026 (or 49022 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 38.

The square root of 9231452840 is about 96080.4498324191. The cubic root of 9231452840 is about 2097.7642751960.

The spelling of 9231452840 in words is "nine billion, two hundred thirty-one million, four hundred fifty-two thousand, eight hundred forty".

Divisors: 1 2 4 5 8 10 20 29 40 58 116 145 163 232 290 326 580 652 815 1160 1304 1630 3260 4727 6520 9454 18908 23635 37816 47270 48823 94540 97646 189080 195292 244115 390584 488230 976460 1415867 1952920 2831734 5663468 7079335 7958149 11326936 14158670 15916298 28317340 31832596 39790745 56634680 63665192 79581490 159162980 230786321 318325960 461572642 923145284 1153931605 1846290568 2307863210 4615726420 9231452840