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57098953 = 97588649
BaseRepresentation
bin1101100111010…
…0001011001001
310222102221001001
43121310023021
5104104131303
65355455001
71262222152
oct331641311
9128387031
1057098953
112a25a31a
1217157461
13baa2682
147824929
15502d31d
hex36742c9

57098953 has 4 divisors (see below), whose sum is σ = 57687700. Its totient is φ = 56510208.

The previous prime is 57098947. The next prime is 57098963. The reversal of 57098953 is 35989075.

57098953 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 15586704 + 41512249 = 3948^2 + 6443^2 .

It is a cyclic number.

It is not a de Polignac number, because 57098953 - 217 = 56967881 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (57098963) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 294228 + ... + 294421.

It is an arithmetic number, because the mean of its divisors is an integer number (14421925).

Almost surely, 257098953 is an apocalyptic number.

It is an amenable number.

57098953 is a deficient number, since it is larger than the sum of its proper divisors (588747).

57098953 is an equidigital number, since it uses as much as digits as its factorization.

57098953 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 588746.

The product of its (nonzero) digits is 340200, while the sum is 46.

The square root of 57098953 is about 7556.3849160826. The cubic root of 57098953 is about 385.0726865629.

The spelling of 57098953 in words is "fifty-seven million, ninety-eight thousand, nine hundred fifty-three".

Divisors: 1 97 588649 57098953