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68768576 = 261074509
BaseRepresentation
bin1000001100101…
…01001101000000
311210101210202022
410012111031000
5120101043301
610453541012
71463344322
oct406251500
9153353668
1068768576
11358aa938
121b044768
131132a186
1491c1612
156085d1b
hex4195340

68768576 has 14 divisors (see below), whose sum is σ = 136462770. Its totient is φ = 34384256.

The previous prime is 68768573. The next prime is 68768611. The reversal of 68768576 is 67586786.

It can be written as a sum of positive squares in only one way, i.e., 38738176 + 30030400 = 6224^2 + 5480^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68768573) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 537191 + ... + 537318.

Almost surely, 268768576 is an apocalyptic number.

It is an amenable number.

68768576 is a deficient number, since it is larger than the sum of its proper divisors (67694194).

68768576 is a wasteful number, since it uses less digits than its factorization.

68768576 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1074521 (or 1074511 counting only the distinct ones).

The product of its digits is 3386880, while the sum is 53.

The square root of 68768576 is about 8292.6820751793. The cubic root of 68768576 is about 409.6975282491.

The spelling of 68768576 in words is "sixty-eight million, seven hundred sixty-eight thousand, five hundred seventy-six".

Divisors: 1 2 4 8 16 32 64 1074509 2149018 4298036 8596072 17192144 34384288 68768576