Search a number
-
+
58131888 = 2431211081
BaseRepresentation
bin1101110111000…
…0010110110000
311001101101221220
43131300112300
5104340210023
65433545040
71304053503
oct335602660
9131341856
1058131888
112a8a5391
1217575180
13c074889
147a1313a
1551843e3
hex37705b0

58131888 has 20 divisors (see below), whose sum is σ = 150174168. Its totient is φ = 19377280.

The previous prime is 58131881. The next prime is 58131893. The reversal of 58131888 is 88813185.

58131888 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (58131881) 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, 605493 + ... + 605588.

Almost surely, 258131888 is an apocalyptic number.

It is an amenable number.

58131888 is an abundant number, since it is smaller than the sum of its proper divisors (92042280).

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

58131888 is a wasteful number, since it uses less digits than its factorization.

58131888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1211092 (or 1211086 counting only the distinct ones).

The product of its digits is 61440, while the sum is 42.

The square root of 58131888 is about 7624.4270604420. The cubic root of 58131888 is about 387.3808455009.

The spelling of 58131888 in words is "fifty-eight million, one hundred thirty-one thousand, eight hundred eighty-eight".

Divisors: 1 2 3 4 6 8 12 16 24 48 1211081 2422162 3633243 4844324 7266486 9688648 14532972 19377296 29065944 58131888