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131626130 = 2528346511
BaseRepresentation
bin1111101100001…
…11010010010010
3100011200022002212
413312013102102
5232144014010
621021112122
73155542436
oct766072222
9304608085
10131626130
1168332729
12380b8642
13213679ac
14136a49c6
15b850505
hex7d87492

131626130 has 16 divisors (see below), whose sum is σ = 237769344. Its totient is φ = 52463280.

The previous prime is 131626067. The next prime is 131626151. The reversal of 131626130 is 31626131.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 131626096 and 131626105.

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, 20426 + ... + 26085.

It is an arithmetic number, because the mean of its divisors is an integer number (14860584).

Almost surely, 2131626130 is an apocalyptic number.

131626130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

131626130 is a deficient number, since it is larger than the sum of its proper divisors (106143214).

131626130 is a wasteful number, since it uses less digits than its factorization.

131626130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46801.

The product of its (nonzero) digits is 648, while the sum is 23.

The square root of 131626130 is about 11472.8431524187. The cubic root of 131626130 is about 508.6831721247.

Subtracting from 131626130 its reverse (31626131), we obtain a palindrome (99999999).

The spelling of 131626130 in words is "one hundred thirty-one million, six hundred twenty-six thousand, one hundred thirty".

Divisors: 1 2 5 10 283 566 1415 2830 46511 93022 232555 465110 13162613 26325226 65813065 131626130