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131053808 = 248190863
BaseRepresentation
bin1111100111110…
…11100011110000
3100010121020000202
413303323203300
5232022210213
621000534332
73150640034
oct763734360
9303536022
10131053808
1167a81736
1237a813a8
13211c7342
14135961c4
15b78ab58
hex7cfb8f0

131053808 has 10 divisors (see below), whose sum is σ = 253916784. Its totient is φ = 65526896.

The previous prime is 131053807. The next prime is 131053817. The reversal of 131053808 is 808350131.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131053807) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4095416 + ... + 4095447.

Almost surely, 2131053808 is an apocalyptic number.

It is an amenable number.

131053808 is a deficient number, since it is larger than the sum of its proper divisors (122862976).

131053808 is an equidigital number, since it uses as much as digits as its factorization.

131053808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8190871 (or 8190865 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 29.

The square root of 131053808 is about 11447.8735143257. The cubic root of 131053808 is about 507.9448345660.

The spelling of 131053808 in words is "one hundred thirty-one million, fifty-three thousand, eight hundred eight".

Divisors: 1 2 4 8 16 8190863 16381726 32763452 65526904 131053808