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131600232 = 23321996199
BaseRepresentation
bin1111101100000…
…00111101101000
3100011121222120200
413312000331220
5232142201412
621020352200
73155404101
oct766007550
9304558520
10131600232
1168315225
12380a5660
1321358c7a
14136993a8
15b8479dc
hex7d80f68

131600232 has 48 divisors (see below), whose sum is σ = 375180000. Its totient is φ = 41557536.

The previous prime is 131600171. The next prime is 131600233. The reversal of 131600232 is 232006131.

131600232 is a `hidden beast` number, since 1 + 31 + 600 + 2 + 32 = 666.

131600232 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (131600233) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 46732 + ... + 49467.

It is an arithmetic number, because the mean of its divisors is an integer number (7816250).

Almost surely, 2131600232 is an apocalyptic number.

131600232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

131600232 is an abundant number, since it is smaller than the sum of its proper divisors (243579768).

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

131600232 is a wasteful number, since it uses less digits than its factorization.

131600232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96230 (or 96223 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 131600232 is about 11471.7144315922. The cubic root of 131600232 is about 508.6498080784.

Adding to 131600232 its reverse (232006131), we get a palindrome (363606363).

The spelling of 131600232 in words is "one hundred thirty-one million, six hundred thousand, two hundred thirty-two".

Divisors: 1 2 3 4 6 8 9 12 18 19 24 36 38 57 72 76 114 152 171 228 342 456 684 1368 96199 192398 288597 384796 577194 769592 865791 1154388 1731582 1827781 2308776 3463164 3655562 5483343 6926328 7311124 10966686 14622248 16450029 21933372 32900058 43866744 65800116 131600232