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75968656 = 2421792
BaseRepresentation
bin1001000011100…
…11000010010000
312021221121101221
410201303002100
5123421444111
611312134424
71611502651
oct441630220
9167847357
1075968656
1139978415
1221537414
131297b48a
14a137528
156a09371
hex4873090

75968656 has 15 divisors (see below), whose sum is σ = 147256851. Its totient is φ = 37966896.

The previous prime is 75968653. The next prime is 75968723. The reversal of 75968656 is 65686957.

The square root of 75968656 is 8716.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (75968653) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 33775 + ... + 35953.

Almost surely, 275968656 is an apocalyptic number.

75968656 is the 8716-th square number.

It is an amenable number.

75968656 is a deficient number, since it is larger than the sum of its proper divisors (71288195).

75968656 is an frugal number, since it uses more digits than its factorization.

75968656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4366 (or 2181 counting only the distinct ones).

The product of its digits is 2721600, while the sum is 52.

The cubic root of 75968656 is about 423.5241189910.

The spelling of 75968656 in words is "seventy-five million, nine hundred sixty-eight thousand, six hundred fifty-six".

Divisors: 1 2 4 8 16 2179 4358 8716 17432 34864 4748041 9496082 18992164 37984328 75968656