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131352522 = 2373127441
BaseRepresentation
bin1111101010001…
…00011111001010
3100011011101210020
413311010133022
5232111240042
621011201310
73153322650
oct765043712
9304141706
10131352522
1168166104
1237ba6236
13212a02b2
1413632dd0
15b7e93ec
hex7d447ca

131352522 has 16 divisors (see below), whose sum is σ = 300234432. Its totient is φ = 37529280.

The previous prime is 131352509. The next prime is 131352541. The reversal of 131352522 is 225253131.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 131352492 and 131352501.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1563679 + ... + 1563762.

It is an arithmetic number, because the mean of its divisors is an integer number (18764652).

Almost surely, 2131352522 is an apocalyptic number.

131352522 is an abundant number, since it is smaller than the sum of its proper divisors (168881910).

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

131352522 is a wasteful number, since it uses less digits than its factorization.

131352522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3127453.

The product of its digits is 1800, while the sum is 24.

The square root of 131352522 is about 11460.9127908732. The cubic root of 131352522 is about 508.3304652231.

It can be divided in two parts, 1313 and 52522, that added together give a palindrome (53835).

The spelling of 131352522 in words is "one hundred thirty-one million, three hundred fifty-two thousand, five hundred twenty-two".

Divisors: 1 2 3 6 7 14 21 42 3127441 6254882 9382323 18764646 21892087 43784174 65676261 131352522