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131416145 = 576756041
BaseRepresentation
bin1111101010101…
…00000001010001
3100011021122001122
413311110001101
5232120304040
621012412025
73154006310
oct765240121
9304248048
10131416145
11681a9993
1238017015
13212c3243
141364c277
15b80d1b5
hex7d54051

131416145 has 16 divisors (see below), whose sum is σ = 182921088. Its totient is φ = 88767360.

The previous prime is 131416123. The next prime is 131416147. The reversal of 131416145 is 541614131.

It is not a de Polignac number, because 131416145 - 210 = 131415121 is a prime.

It is a super-2 number, since 2×1314161452 = 34540406333322050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (131416147) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25676 + ... + 30365.

It is an arithmetic number, because the mean of its divisors is an integer number (11432568).

Almost surely, 2131416145 is an apocalyptic number.

It is an amenable number.

131416145 is a deficient number, since it is larger than the sum of its proper divisors (51504943).

131416145 is an equidigital number, since it uses as much as digits as its factorization.

131416145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56120.

The product of its digits is 1440, while the sum is 26.

The square root of 131416145 is about 11463.6881063644. The cubic root of 131416145 is about 508.4125250328.

The spelling of 131416145 in words is "one hundred thirty-one million, four hundred sixteen thousand, one hundred forty-five".

Divisors: 1 5 7 35 67 335 469 2345 56041 280205 392287 1961435 3754747 18773735 26283229 131416145