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131296064 = 2613914759
BaseRepresentation
bin1111101001101…
…10101101000000
3100011001112100012
413310312231000
5232102433224
621010044052
73152666234
oct764665500
9304045305
10131296064
1168127749
1237b79628
13212806a3
141361a5c4
15b7d780e
hex7d36b40

131296064 has 28 divisors (see below), whose sum is σ = 262432800. Its totient is φ = 65171328.

The previous prime is 131296037. The next prime is 131296069. The reversal of 131296064 is 460692131.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a self number, because there is not a number n which added to its sum of digits gives 131296064.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131296069) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1517 + ... + 16275.

It is an arithmetic number, because the mean of its divisors is an integer number (9372600).

Almost surely, 2131296064 is an apocalyptic number.

It is an amenable number.

131296064 is a deficient number, since it is larger than the sum of its proper divisors (131136736).

131296064 is a wasteful number, since it uses less digits than its factorization.

131296064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14910 (or 14900 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 32.

The square root of 131296064 is about 11458.4494588055. The cubic root of 131296064 is about 508.2576245097.

The spelling of 131296064 in words is "one hundred thirty-one million, two hundred ninety-six thousand, sixty-four".

Divisors: 1 2 4 8 16 32 64 139 278 556 1112 2224 4448 8896 14759 29518 59036 118072 236144 472288 944576 2051501 4103002 8206004 16412008 32824016 65648032 131296064