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131240708 = 2232810177
BaseRepresentation
bin1111101001010…
…01001100000100
3100010221201101222
413310221030010
5232044200313
621004535512
73152345654
oct764511404
9303851358
10131240708
116809a0a5
1237b51598
1321261431
1413604364
15b7c6208
hex7d29304

131240708 has 6 divisors (see below), whose sum is σ = 229671246. Its totient is φ = 65620352.

The previous prime is 131240677. The next prime is 131240717. The reversal of 131240708 is 807042131.

131240708 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 115304644 + 15936064 = 10738^2 + 3992^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16405085 + ... + 16405092.

It is an arithmetic number, because the mean of its divisors is an integer number (38278541).

Almost surely, 2131240708 is an apocalyptic number.

It is an amenable number.

131240708 is a deficient number, since it is larger than the sum of its proper divisors (98430538).

131240708 is a wasteful number, since it uses less digits than its factorization.

131240708 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32810181 (or 32810179 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 26.

The square root of 131240708 is about 11456.0336940845. The cubic root of 131240708 is about 508.1861852927.

Adding to 131240708 its reverse (807042131), we get a palindrome (938282839).

The spelling of 131240708 in words is "one hundred thirty-one million, two hundred forty thousand, seven hundred eight".

Divisors: 1 2 4 32810177 65620354 131240708