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131453142 = 2323952559
BaseRepresentation
bin1111101010111…
…01000011010110
3100011100111210220
413311131003112
5232123000032
621013255210
73154222212
oct765350326
9304314726
10131453142
1168224767
1238034506
1321307032
141365b942
15b81912c
hex7d5d0d6

131453142 has 16 divisors (see below), whose sum is σ = 274337280. Its totient is φ = 41912552.

The previous prime is 131453141. The next prime is 131453149. The reversal of 131453142 is 241354131.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131453141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 476142 + ... + 476417.

It is an arithmetic number, because the mean of its divisors is an integer number (17146080).

Almost surely, 2131453142 is an apocalyptic number.

131453142 is an abundant number, since it is smaller than the sum of its proper divisors (142884138).

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

131453142 is a wasteful number, since it uses less digits than its factorization.

131453142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 952587.

The product of its digits is 1440, while the sum is 24.

The square root of 131453142 is about 11465.3016532493. The cubic root of 131453142 is about 508.4602309250.

The spelling of 131453142 in words is "one hundred thirty-one million, four hundred fifty-three thousand, one hundred forty-two".

Divisors: 1 2 3 6 23 46 69 138 952559 1905118 2857677 5715354 21908857 43817714 65726571 131453142