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230087132 = 22115229253
BaseRepresentation
bin11011011011011…
…01100111011100
3121000221122012122
431231231213130
5432400242012
634455322112
75462464652
oct1555554734
9530848178
10230087132
11108972960
1265080338
133888cb42
14227b4dd2
15152ede72
hexdb6d9dc

230087132 has 12 divisors (see below), whose sum is σ = 439257336. Its totient is φ = 104585040.

The previous prime is 230087071. The next prime is 230087149. The reversal of 230087132 is 231780032.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2614583 + ... + 2614670.

It is an arithmetic number, because the mean of its divisors is an integer number (36604778).

Almost surely, 2230087132 is an apocalyptic number.

230087132 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

230087132 is a deficient number, since it is larger than the sum of its proper divisors (209170204).

230087132 is a wasteful number, since it uses less digits than its factorization.

230087132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5229268 (or 5229266 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 230087132 is about 15168.6232730594. The cubic root of 230087132 is about 612.7699275067.

The spelling of 230087132 in words is "two hundred thirty million, eighty-seven thousand, one hundred thirty-two".

Divisors: 1 2 4 11 22 44 5229253 10458506 20917012 57521783 115043566 230087132