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83974465 = 530895437
BaseRepresentation
bin1010000000101…
…01100101000001
312212000100022101
411000111211001
5132444140330
612155510401
72036525341
oct500254501
9185010271
1083974465
1143446293
1224158401
1314522443
14b21cd21
15758b4ca
hex5015941

83974465 has 8 divisors (see below), whose sum is σ = 100820520. Its totient is φ = 67145472.

The previous prime is 83974453. The next prime is 83974507. The reversal of 83974465 is 56447938.

It can be written as a sum of positive squares in 4 ways, for example, as 26956864 + 57017601 = 5192^2 + 7551^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 83974465 - 217 = 83843393 is a prime.

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, 12727 + ... + 18163.

It is an arithmetic number, because the mean of its divisors is an integer number (12602565).

Almost surely, 283974465 is an apocalyptic number.

It is an amenable number.

83974465 is a deficient number, since it is larger than the sum of its proper divisors (16846055).

83974465 is a wasteful number, since it uses less digits than its factorization.

83974465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8531.

The product of its digits is 725760, while the sum is 46.

The square root of 83974465 is about 9163.7582355713. The cubic root of 83974465 is about 437.9075321019.

The spelling of 83974465 in words is "eighty-three million, nine hundred seventy-four thousand, four hundred sixty-five".

Divisors: 1 5 3089 5437 15445 27185 16794893 83974465