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131946190 = 2597136027
BaseRepresentation
bin1111101110101…
…01011011001110
3100012021120010221
413313111123032
5232234234230
621032021554
73161344525
oct767253316
9305246127
10131946190
1168531142
12382318ba
132144a58c
14137494bc
15b8b527a
hex7dd56ce

131946190 has 16 divisors (see below), whose sum is σ = 239953392. Its totient is φ = 52233984.

The previous prime is 131946169. The next prime is 131946209. The reversal of 131946190 is 91649131.

It is a happy number.

It is a super-2 number, since 2×1319461902 = 34819594111032200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67044 + ... + 68983.

It is an arithmetic number, because the mean of its divisors is an integer number (14997087).

Almost surely, 2131946190 is an apocalyptic number.

131946190 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

131946190 is a deficient number, since it is larger than the sum of its proper divisors (108007202).

131946190 is a wasteful number, since it uses less digits than its factorization.

131946190 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136131.

The product of its (nonzero) digits is 5832, while the sum is 34.

The square root of 131946190 is about 11486.7832747031. The cubic root of 131946190 is about 509.0951403579.

The spelling of 131946190 in words is "one hundred thirty-one million, nine hundred forty-six thousand, one hundred ninety".

Divisors: 1 2 5 10 97 194 485 970 136027 272054 680135 1360270 13194619 26389238 65973095 131946190