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675252657 = 3241244633
BaseRepresentation
bin101000001111111…
…000100110110001
31202001121101111200
4220033320212301
52340331041112
6151001001413
722506360432
oct5017704661
91661541450
10675252657
11317187352
1216a183269
13a9b861b1
1465975489
153e434cdc
hex283f89b1

675252657 has 18 divisors (see below), whose sum is σ = 999756966. Its totient is φ = 439178880.

The previous prime is 675252649. The next prime is 675252673. The reversal of 675252657 is 756252576.

675252657 is a `hidden beast` number, since 6 + 75 + 2 + 526 + 57 = 666.

675252657 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 1382976 + 673869681 = 1176^2 + 25959^2 .

It is not a de Polignac number, because 675252657 - 23 = 675252649 is a prime.

It is not an unprimeable number, because it can be changed into a prime (675252157) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 7188 + ... + 37445.

Almost surely, 2675252657 is an apocalyptic number.

It is an amenable number.

675252657 is a deficient number, since it is larger than the sum of its proper divisors (324504309).

675252657 is a wasteful number, since it uses less digits than its factorization.

675252657 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44721 (or 44677 counting only the distinct ones).

The product of its digits is 882000, while the sum is 45.

The square root of 675252657 is about 25985.6240448445. The cubic root of 675252657 is about 877.3147557443.

The spelling of 675252657 in words is "six hundred seventy-five million, two hundred fifty-two thousand, six hundred fifty-seven".

Divisors: 1 3 9 41 123 369 1681 5043 15129 44633 133899 401697 1829953 5489859 16469577 75028073 225084219 675252657