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131928196 = 2257432
BaseRepresentation
bin1111101110100…
…01000010000100
3100012020122110111
413313101002010
5232233200241
621031402404
73161241211
oct767210204
9305218414
10131928196
1168519674
1238223404
132144232a
1413742b08
15b8aec81
hex7dd1084

131928196 has 9 divisors (see below), whose sum is σ = 230914551. Its totient is φ = 65952612.

The previous prime is 131928193. The next prime is 131928227. The reversal of 131928196 is 691829131.

The square root of 131928196 is 11486.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131928193) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 20101 + ... + 25843.

Almost surely, 2131928196 is an apocalyptic number.

131928196 is the 11486-th square number.

It is an amenable number.

131928196 is a deficient number, since it is larger than the sum of its proper divisors (98986355).

131928196 is an frugal number, since it uses more digits than its factorization.

131928196 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11490 (or 5745 counting only the distinct ones).

The product of its digits is 23328, while the sum is 40.

The cubic root of 131928196 is about 509.0719968972.

The spelling of 131928196 in words is "one hundred thirty-one million, nine hundred twenty-eight thousand, one hundred ninety-six".

Divisors: 1 2 4 5743 11486 22972 32982049 65964098 131928196