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58130561 = 220326387
BaseRepresentation
bin1101110111000…
…0000010000001
311001101100010202
43131300002001
5104340134221
65433534545
71304046566
oct335600201
9131340122
1058130561
112a8a4395
1217574455
13c0740a8
147a1286d
155183d0b
hex3770081

58130561 has 4 divisors (see below), whose sum is σ = 58159152. Its totient is φ = 58101972.

The previous prime is 58130521. The next prime is 58130581. The reversal of 58130561 is 16503185.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 58130561 - 210 = 58129537 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (58130521) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10991 + ... + 15396.

It is an arithmetic number, because the mean of its divisors is an integer number (14539788).

Almost surely, 258130561 is an apocalyptic number.

It is an amenable number.

58130561 is a deficient number, since it is larger than the sum of its proper divisors (28591).

58130561 is a wasteful number, since it uses less digits than its factorization.

58130561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28590.

The product of its (nonzero) digits is 3600, while the sum is 29.

The square root of 58130561 is about 7624.3400370130. The cubic root of 58130561 is about 387.3778978457.

The spelling of 58130561 in words is "fifty-eight million, one hundred thirty thousand, five hundred sixty-one".

Divisors: 1 2203 26387 58130561