Search a number
-
+
131146316 = 2274683797
BaseRepresentation
bin1111101000100…
…10001001001100
3100010202220220222
413310102021030
5232033140231
621002530512
73151503530
oct764221114
9303686828
10131146316
1168035194
1237b06a38
132122a492
14135bbbc0
15b7a827b
hex7d1224c

131146316 has 12 divisors (see below), whose sum is σ = 262292688. Its totient is φ = 56205552.

The previous prime is 131146307. The next prime is 131146333. The reversal of 131146316 is 613641131.

131146316 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2341871 + ... + 2341926.

It is an arithmetic number, because the mean of its divisors is an integer number (21857724).

Almost surely, 2131146316 is an apocalyptic number.

It is an amenable number.

131146316 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.

131146316 is a wasteful number, since it uses less digits than its factorization.

131146316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4683808 (or 4683806 counting only the distinct ones).

The product of its digits is 1296, while the sum is 26.

The square root of 131146316 is about 11451.9132026051. The cubic root of 131146316 is about 508.0643221506.

Adding to 131146316 its reverse (613641131), we get a palindrome (744787447).

The spelling of 131146316 in words is "one hundred thirty-one million, one hundred forty-six thousand, three hundred sixteen".

Divisors: 1 2 4 7 14 28 4683797 9367594 18735188 32786579 65573158 131146316