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230674872 = 23337475527
BaseRepresentation
bin11011011111111…
…01000110111000
3121002001111102210
431233331012320
5433023043442
634520055120
75500463331
oct1557750670
9532044383
10230674872
1110923449a
12653044a0
1338a3750c
14228c9288
15153b819c
hexdbfd1b8

230674872 has 64 divisors (see below), whose sum is σ = 604984320. Its totient is φ = 73208448.

The previous prime is 230674861. The next prime is 230674891. The reversal of 230674872 is 278476032.

It is a self number, because there is not a number n which added to its sum of digits gives 230674872.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38973 + ... + 44499.

It is an arithmetic number, because the mean of its divisors is an integer number (9452880).

Almost surely, 2230674872 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 230674872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (302492160).

230674872 is an abundant number, since it is smaller than the sum of its proper divisors (374309448).

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

230674872 is a wasteful number, since it uses less digits than its factorization.

230674872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5620 (or 5616 counting only the distinct ones).

The product of its (nonzero) digits is 112896, while the sum is 39.

The square root of 230674872 is about 15187.9844614090. The cubic root of 230674872 is about 613.2912418604.

The spelling of 230674872 in words is "two hundred thirty million, six hundred seventy-four thousand, eight hundred seventy-two".

Divisors: 1 2 3 4 6 8 12 24 37 47 74 94 111 141 148 188 222 282 296 376 444 564 888 1128 1739 3478 5217 5527 6956 10434 11054 13912 16581 20868 22108 33162 41736 44216 66324 132648 204499 259769 408998 519538 613497 779307 817996 1039076 1226994 1558614 1635992 2078152 2453988 3117228 4907976 6234456 9611453 19222906 28834359 38445812 57668718 76891624 115337436 230674872