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676956865 = 51310414721
BaseRepresentation
bin101000010110011…
…000101011000001
31202011210222020111
4220112120223001
52341300104430
6151101311321
722530016114
oct5026305301
91664728214
10676956865
11318140792
1216a865541
13aa331ac0
1465c9a57b
153e66ec2a
hex28598ac1

676956865 has 8 divisors (see below), whose sum is σ = 874836648. Its totient is φ = 499906560.

The previous prime is 676956859. The next prime is 676956883. The reversal of 676956865 is 568659676.

It can be written as a sum of positive squares in 4 ways, for example, as 124609 + 676832256 = 353^2 + 26016^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2k-676956865 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5207296 + ... + 5207425.

It is an arithmetic number, because the mean of its divisors is an integer number (109354581).

Almost surely, 2676956865 is an apocalyptic number.

676956865 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

It is an amenable number.

676956865 is a deficient number, since it is larger than the sum of its proper divisors (197879783).

676956865 is a wasteful number, since it uses less digits than its factorization.

676956865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10414739.

The product of its digits is 16329600, while the sum is 58.

The square root of 676956865 is about 26018.3947429506. The cubic root of 676956865 is about 878.0521936826.

The spelling of 676956865 in words is "six hundred seventy-six million, nine hundred fifty-six thousand, eight hundred sixty-five".

Divisors: 1 5 13 65 10414721 52073605 135391373 676956865