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58485138 = 239747523
BaseRepresentation
bin1101111100011…
…0100110010010
311002001100112020
43133012212102
5104433011023
65445312310
71310054415
oct337064622
9132040466
1058485138
1130016828
1217705696
13c1695ba
147aa5b7c
155203de3
hex37c6992

58485138 has 8 divisors (see below), whose sum is σ = 116970288. Its totient is φ = 19495044.

The previous prime is 58485103. The next prime is 58485139. The reversal of 58485138 is 83158485.

It is a sphenic number, since it is the product of 3 distinct primes.

58485138 is an admirable number.

It is a super-2 number, since 2×584851382 = 6841022733758088, which contains 22 as substring.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 58485138.

It is not an unprimeable number, because it can be changed into a prime (58485139) 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, 4873756 + ... + 4873767.

It is an arithmetic number, because the mean of its divisors is an integer number (14621286).

Almost surely, 258485138 is an apocalyptic number.

58485138 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

58485138 is a wasteful number, since it uses less digits than its factorization.

58485138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9747528.

The product of its digits is 153600, while the sum is 42.

The square root of 58485138 is about 7647.5576493414. The cubic root of 58485138 is about 388.1639270833.

The spelling of 58485138 in words is "fifty-eight million, four hundred eighty-five thousand, one hundred thirty-eight".

Divisors: 1 2 3 6 9747523 19495046 29242569 58485138