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131525342 = 2135058667
BaseRepresentation
bin1111101011011…
…10101011011110
3100011111011211222
413311232223132
5232132302332
621015013342
73154642544
oct765565336
9304434758
10131525342
1168273a33
123806a252
1321330b60
1413679d94
15b830712
hex7d6eade

131525342 has 8 divisors (see below), whose sum is σ = 212464056. Its totient is φ = 60703992.

The previous prime is 131525327. The next prime is 131525351. The reversal of 131525342 is 243525131.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Harshad number since it is a multiple of its sum of digits (26), and also a Moran number because the ratio is a prime number: 5058667 = 131525342 / (1 + 3 + 1 + 5 + 2 + 5 + 3 + 4 + 2).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2529308 + ... + 2529359.

It is an arithmetic number, because the mean of its divisors is an integer number (26558007).

Almost surely, 2131525342 is an apocalyptic number.

131525342 is a deficient number, since it is larger than the sum of its proper divisors (80938714).

131525342 is a wasteful number, since it uses less digits than its factorization.

131525342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5058682.

The product of its digits is 3600, while the sum is 26.

The square root of 131525342 is about 11468.4498516582. The cubic root of 131525342 is about 508.5533036582.

The spelling of 131525342 in words is "one hundred thirty-one million, five hundred twenty-five thousand, three hundred forty-two".

Divisors: 1 2 13 26 5058667 10117334 65762671 131525342