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57984065 = 5110910457
BaseRepresentation
bin1101110100110…
…0010001000001
311001002220011222
43131030101001
5104320442230
65430444425
71302566516
oct335142101
9131086158
1057984065
112a804317
1217503715
13c0224c9
1479b530d
1551556e5
hex374c441

57984065 has 8 divisors (see below), whose sum is σ = 69650280. Its totient is φ = 46340992.

The previous prime is 57984053. The next prime is 57984071. The reversal of 57984065 is 56048975.

It can be written as a sum of positive squares in 4 ways, for example, as 2972176 + 55011889 = 1724^2 + 7417^2 .

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 57984065 - 26 = 57984001 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 317 + ... + 10773.

It is an arithmetic number, because the mean of its divisors is an integer number (8706285).

Almost surely, 257984065 is an apocalyptic number.

It is an amenable number.

57984065 is a deficient number, since it is larger than the sum of its proper divisors (11666215).

57984065 is a wasteful number, since it uses less digits than its factorization.

57984065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11571.

The product of its (nonzero) digits is 302400, while the sum is 44.

The square root of 57984065 is about 7614.7268499927. The cubic root of 57984065 is about 387.0522111495.

The spelling of 57984065 in words is "fifty-seven million, nine hundred eighty-four thousand, sixty-five".

Divisors: 1 5 1109 5545 10457 52285 11596813 57984065