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131055004 = 22263124577
BaseRepresentation
bin1111100111110…
…11110110011100
3100010121021200001
413303323312130
5232022230004
621000544044
73150643363
oct763736634
9303537601
10131055004
1167a82623
1237a82024
13211c7a52
14135967da
15b78b1a4
hex7cfbd9c

131055004 has 12 divisors (see below), whose sum is σ = 230220144. Its totient is φ = 65277824.

The previous prime is 131054993. The next prime is 131055007. The reversal of 131055004 is 400550131.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131055007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 61237 + ... + 63340.

It is an arithmetic number, because the mean of its divisors is an integer number (19185012).

Almost surely, 2131055004 is an apocalyptic number.

It is an amenable number.

131055004 is a deficient number, since it is larger than the sum of its proper divisors (99165140).

131055004 is a wasteful number, since it uses less digits than its factorization.

131055004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124844 (or 124842 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 19.

The square root of 131055004 is about 11447.9257509821. The cubic root of 131055004 is about 507.9463797333.

The spelling of 131055004 in words is "one hundred thirty-one million, fifty-five thousand, four".

Divisors: 1 2 4 263 526 1052 124577 249154 498308 32763751 65527502 131055004