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131954045 = 597127179
BaseRepresentation
bin1111101110101…
…11010101111101
3100012021221220212
413313113111331
5232240012140
621032122205
73161406446
oct767272575
9305257825
10131954045
1168537033
1238236365
1321451022
141374c2cd
15b8b7765
hex7dd757d

131954045 has 8 divisors (see below), whose sum is σ = 158513760. Its totient is φ = 105450640.

The previous prime is 131954027. The next prime is 131954071. The reversal of 131954045 is 540459131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 131954045 - 226 = 64845181 is a prime.

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, 8735 + ... + 18444.

It is an arithmetic number, because the mean of its divisors is an integer number (19814220).

Almost surely, 2131954045 is an apocalyptic number.

It is an amenable number.

131954045 is a deficient number, since it is larger than the sum of its proper divisors (26559715).

131954045 is an equidigital number, since it uses as much as digits as its factorization.

131954045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28155.

The product of its (nonzero) digits is 10800, while the sum is 32.

The square root of 131954045 is about 11487.1251843096. The cubic root of 131954045 is about 509.1052426149.

The spelling of 131954045 in words is "one hundred thirty-one million, nine hundred fifty-four thousand, forty-five".

Divisors: 1 5 971 4855 27179 135895 26390809 131954045