Search a number
-
+
131389088 = 2517232383
BaseRepresentation
bin1111101010011…
…01011010100000
3100011020020221112
413311031122200
5232113422323
621012042452
73153534365
oct765153240
9304206845
10131389088
1168190626
1238003428
13212b3b2c
141364246c
15b805178
hex7d4d6a0

131389088 has 24 divisors (see below), whose sum is σ = 258931008. Its totient is φ = 65628864.

The previous prime is 131389081. The next prime is 131389099. The reversal of 131389088 is 880983131.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (131389081) 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, 53945 + ... + 56327.

It is an arithmetic number, because the mean of its divisors is an integer number (10788792).

Almost surely, 2131389088 is an apocalyptic number.

It is an amenable number.

131389088 is a deficient number, since it is larger than the sum of its proper divisors (127541920).

131389088 is a wasteful number, since it uses less digits than its factorization.

131389088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4116 (or 4108 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 41.

The square root of 131389088 is about 11462.5079280234. The cubic root of 131389088 is about 508.3776306346.

The spelling of 131389088 in words is "one hundred thirty-one million, three hundred eighty-nine thousand, eighty-eight".

Divisors: 1 2 4 8 16 32 1723 2383 3446 4766 6892 9532 13784 19064 27568 38128 55136 76256 4105909 8211818 16423636 32847272 65694544 131389088