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57988201 = 531935669
BaseRepresentation
bin1101110100110…
…1010001101001
311001010002212011
43131031101221
5104321110301
65430515521
71302614545
oct335152151
9131102764
1057988201
112a807437
1217505ba1
13c02435b
1479b6a25
155156a51
hex374d469

57988201 has 8 divisors (see below), whose sum is σ = 59398920. Its totient is φ = 56589312.

The previous prime is 57988181. The next prime is 57988223. The reversal of 57988201 is 10288975.

It can be written as a sum of positive squares in 4 ways, for example, as 3154176 + 54834025 = 1776^2 + 7405^2 .

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 57988201 - 25 = 57988169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (57988261) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7395 + ... + 13063.

It is an arithmetic number, because the mean of its divisors is an integer number (7424865).

Almost surely, 257988201 is an apocalyptic number.

It is an amenable number.

57988201 is a deficient number, since it is larger than the sum of its proper divisors (1410719).

57988201 is a wasteful number, since it uses less digits than its factorization.

57988201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5915.

The product of its (nonzero) digits is 40320, while the sum is 40.

The square root of 57988201 is about 7614.9984241627. The cubic root of 57988201 is about 387.0614137347.

The spelling of 57988201 in words is "fifty-seven million, nine hundred eighty-eight thousand, two hundred one".

Divisors: 1 53 193 5669 10229 300457 1094117 57988201