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131171026 = 2722034253
BaseRepresentation
bin1111101000110…
…00001011010010
3100010211011211011
413310120023102
5232034433101
621003241134
73151635550
oct764301322
9303734734
10131171026
1168051808
1237b191aa
13212387bc
14135c6bd0
15b7b0751
hex7d182d2

131171026 has 16 divisors (see below), whose sum is σ = 225019584. Its totient is φ = 56177424.

The previous prime is 131171017. The next prime is 131171069. The reversal of 131171026 is 620171131.

It is a junction number, because it is equal to n+sod(n) for n = 131170988 and 131171006.

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, 28716 + ... + 32968.

It is an arithmetic number, because the mean of its divisors is an integer number (14063724).

Almost surely, 2131171026 is an apocalyptic number.

131171026 is a deficient number, since it is larger than the sum of its proper divisors (93848558).

131171026 is a wasteful number, since it uses less digits than its factorization.

131171026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6465.

The product of its (nonzero) digits is 252, while the sum is 22.

The square root of 131171026 is about 11452.9920108241. The cubic root of 131171026 is about 508.0962292129.

The spelling of 131171026 in words is "one hundred thirty-one million, one hundred seventy-one thousand, twenty-six".

Divisors: 1 2 7 14 2203 4253 4406 8506 15421 29771 30842 59542 9369359 18738718 65585513 131171026