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131453005 = 526290601
BaseRepresentation
bin1111101010111…
…01000001001101
3100011100111121211
413311131001031
5232122444010
621013254421
73154221625
oct765350115
9304314554
10131453005
1168224652
1238034411
1321306c58
141365b885
15b81908a
hex7d5d04d

131453005 has 4 divisors (see below), whose sum is σ = 157743612. Its totient is φ = 105162400.

The previous prime is 131452999. The next prime is 131453017. The reversal of 131453005 is 500354131.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 93741124 + 37711881 = 9682^2 + 6141^2 .

It is a de Polignac number, because none of the positive numbers 2k-131453005 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13145296 + ... + 13145305.

It is an arithmetic number, because the mean of its divisors is an integer number (39435903).

Almost surely, 2131453005 is an apocalyptic number.

It is an amenable number.

131453005 is a deficient number, since it is larger than the sum of its proper divisors (26290607).

131453005 is an equidigital number, since it uses as much as digits as its factorization.

131453005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26290606.

The product of its (nonzero) digits is 900, while the sum is 22.

The square root of 131453005 is about 11465.2956786993. The cubic root of 131453005 is about 508.4600542864.

The spelling of 131453005 in words is "one hundred thirty-one million, four hundred fifty-three thousand, five".

Divisors: 1 5 26290601 131453005