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58390885 = 574094079
BaseRepresentation
bin1101111010111…
…1100101100101
311001212120020101
43132233211211
5104422002020
65443304101
71306212550
oct336574545
9131776211
1058390885
112aa61a33
121767b031
13c135727
147a7d697
1551d600a
hex37af965

58390885 has 16 divisors (see below), whose sum is σ = 80294400. Its totient is φ = 39931776.

The previous prime is 58390877. The next prime is 58390901. The reversal of 58390885 is 58809385.

It is a cyclic number.

It is not a de Polignac number, because 58390885 - 23 = 58390877 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12276 + ... + 16354.

It is an arithmetic number, because the mean of its divisors is an integer number (5018400).

Almost surely, 258390885 is an apocalyptic number.

It is an amenable number.

58390885 is a deficient number, since it is larger than the sum of its proper divisors (21903515).

58390885 is a wasteful number, since it uses less digits than its factorization.

58390885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4500.

The product of its (nonzero) digits is 345600, while the sum is 46.

The square root of 58390885 is about 7641.3928704131. The cubic root of 58390885 is about 387.9552969541.

The spelling of 58390885 in words is "fifty-eight million, three hundred ninety thousand, eight hundred eighty-five".

Divisors: 1 5 7 35 409 2045 2863 4079 14315 20395 28553 142765 1668311 8341555 11678177 58390885