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131433108 = 22319576461
BaseRepresentation
bin1111101010110…
…00001010010100
3100011022111022220
413311120022110
5232121324413
621013022340
73154106622
oct765301224
9304274286
10131433108
1168210704
12380249b0
13212cab91
1413654512
15b813223
hex7d58294

131433108 has 24 divisors (see below), whose sum is σ = 322818720. Its totient is φ = 41505120.

The previous prime is 131433079. The next prime is 131433119. The reversal of 131433108 is 801334131.

131433108 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 288003 + ... + 288458.

It is an arithmetic number, because the mean of its divisors is an integer number (13450780).

Almost surely, 2131433108 is an apocalyptic number.

It is an amenable number.

131433108 is an abundant number, since it is smaller than the sum of its proper divisors (191385612).

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

131433108 is a wasteful number, since it uses less digits than its factorization.

131433108 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 576487 (or 576485 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 131433108 is about 11464.4279403728. The cubic root of 131433108 is about 508.4343991352.

Adding to 131433108 its reverse (801334131), we get a palindrome (932767239).

The spelling of 131433108 in words is "one hundred thirty-one million, four hundred thirty-three thousand, one hundred eight".

Divisors: 1 2 3 4 6 12 19 38 57 76 114 228 576461 1152922 1729383 2305844 3458766 6917532 10952759 21905518 32858277 43811036 65716554 131433108