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3207296689 = 566332
BaseRepresentation
bin1011111100101011…
…0111011010110001
322021112002112221021
42333022313122301
523032031443224
61250131255441
7142323400132
oct27712673261
98245075837
103207296689
1113a6487523
1275614a581
133c1624abc
14225d67c89
1513b8901e4
hexbf2b76b1

3207296689 has 3 divisors (see below), whose sum is σ = 3207353323. Its totient is φ = 3207240056.

The previous prime is 3207296671. The next prime is 3207296693. The reversal of 3207296689 is 9866927023.

The square root of 3207296689 is 56633.

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

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in only one way, i.e., 2602530225 + 604766464 = 51015^2 + 24592^2 .

It is not a de Polignac number, because 3207296689 - 215 = 3207263921 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3207296629) 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, 28317 + ... + 84949.

Almost surely, 23207296689 is an apocalyptic number.

3207296689 is the 56633-rd square number.

3207296689 is the 28317-th centered octagonal number.

It is an amenable number.

3207296689 is a deficient number, since it is larger than the sum of its proper divisors (56634).

3207296689 is an frugal number, since it uses more digits than its factorization.

3207296689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113266 (or 56633 counting only the distinct ones).

The product of its (nonzero) digits is 1959552, while the sum is 52.

The cubic root of 3207296689 is about 1474.7318005515.

The spelling of 3207296689 in words is "three billion, two hundred seven million, two hundred ninety-six thousand, six hundred eighty-nine".

Divisors: 1 56633 3207296689