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131383266 = 2373128173
BaseRepresentation
bin1111101010010…
…11111111100010
3100011012221221220
413311023333202
5232113231031
621011555510
73153511410
oct765137742
9304187856
10131383266
1168187213
1237bbbb96
13212b12a1
14136402b0
15b803596
hex7d4bfe2

131383266 has 16 divisors (see below), whose sum is σ = 300304704. Its totient is φ = 37538064.

The previous prime is 131383249. The next prime is 131383277. The reversal of 131383266 is 662383131.

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, 1564045 + ... + 1564128.

It is an arithmetic number, because the mean of its divisors is an integer number (18769044).

Almost surely, 2131383266 is an apocalyptic number.

131383266 is an abundant number, since it is smaller than the sum of its proper divisors (168921438).

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

131383266 is a wasteful number, since it uses less digits than its factorization.

131383266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3128185.

The product of its digits is 15552, while the sum is 33.

The square root of 131383266 is about 11462.2539668252. The cubic root of 131383266 is about 508.3701215933.

The spelling of 131383266 in words is "one hundred thirty-one million, three hundred eighty-three thousand, two hundred sixty-six".

Divisors: 1 2 3 6 7 14 21 42 3128173 6256346 9384519 18769038 21897211 43794422 65691633 131383266