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131764652 = 2241803443
BaseRepresentation
bin1111101101010…
…01000110101100
3100011221100010022
413312221012230
5232212432102
621024101312
73156660335
oct766510654
9304840108
10131764652
1168417808
1238164838
13213b5a66
14136dd28c
15b87b5a2
hex7da91ac

131764652 has 12 divisors (see below), whose sum is σ = 236212536. Its totient is φ = 64275360.

The previous prime is 131764649. The next prime is 131764727. The reversal of 131764652 is 256467131.

It is a super-2 number, since 2×1317646522 = 34723847033362208, which contains 22 as substring.

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, 401558 + ... + 401885.

It is an arithmetic number, because the mean of its divisors is an integer number (19684378).

Almost surely, 2131764652 is an apocalyptic number.

It is an amenable number.

131764652 is a deficient number, since it is larger than the sum of its proper divisors (104447884).

131764652 is a wasteful number, since it uses less digits than its factorization.

131764652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 803488 (or 803486 counting only the distinct ones).

The product of its digits is 30240, while the sum is 35.

The square root of 131764652 is about 11478.8785166496. The cubic root of 131764652 is about 508.8615538952.

The spelling of 131764652 in words is "one hundred thirty-one million, seven hundred sixty-four thousand, six hundred fifty-two".

Divisors: 1 2 4 41 82 164 803443 1606886 3213772 32941163 65882326 131764652