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131354299 = 538927847
BaseRepresentation
bin1111101010001…
…00111010111011
3100011011111020001
413311010322323
5232111314144
621011213431
73153331066
oct765047273
9304144201
10131354299
116816747a
1237ba7277
13212a104b
14136338dd
15b7e9bd4
hex7d44ebb

131354299 has 8 divisors (see below), whose sum is σ = 135341280. Its totient is φ = 127423296.

The previous prime is 131354297. The next prime is 131354309. The reversal of 131354299 is 992453131.

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

It is a cyclic number.

It is not a de Polignac number, because 131354299 - 21 = 131354297 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131354297) 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 in 7 ways as a sum of consecutive naturals, for example, 9207 + ... + 18640.

It is an arithmetic number, because the mean of its divisors is an integer number (16917660).

Almost surely, 2131354299 is an apocalyptic number.

131354299 is a deficient number, since it is larger than the sum of its proper divisors (3986981).

131354299 is an equidigital number, since it uses as much as digits as its factorization.

131354299 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27989.

The product of its digits is 29160, while the sum is 37.

The square root of 131354299 is about 11460.9903149771. The cubic root of 131354299 is about 508.3327575257.

The spelling of 131354299 in words is "one hundred thirty-one million, three hundred fifty-four thousand, two hundred ninety-nine".

Divisors: 1 53 89 4717 27847 1475891 2478383 131354299