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230055152 = 24172713121
BaseRepresentation
bin11011011011001…
…01110011110000
3121000220000100012
431231211303300
5432343231102
634454514052
75462302505
oct1555456360
9530800305
10230055152
11108950928
1265065928
133887b412
14227a74ac
15152e4752
hexdb65cf0

230055152 has 40 divisors (see below), whose sum is σ = 473844672. Its totient is φ = 107827200.

The previous prime is 230055149. The next prime is 230055157. The reversal of 230055152 is 251550032.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230055157) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72152 + ... + 75272.

Almost surely, 2230055152 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 230055152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (236922336).

230055152 is an abundant number, since it is smaller than the sum of its proper divisors (243789520).

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

230055152 is a wasteful number, since it uses less digits than its factorization.

230055152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3417 (or 3411 counting only the distinct ones).

The product of its (nonzero) digits is 1500, while the sum is 23.

The square root of 230055152 is about 15167.5690867060. The cubic root of 230055152 is about 612.7415363923.

The spelling of 230055152 in words is "two hundred thirty million, fifty-five thousand, one hundred fifty-two".

Divisors: 1 2 4 8 16 17 34 68 136 271 272 542 1084 2168 3121 4336 4607 6242 9214 12484 18428 24968 36856 49936 53057 73712 106114 212228 424456 845791 848912 1691582 3383164 6766328 13532656 14378447 28756894 57513788 115027576 230055152