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131859041 = 592234899
BaseRepresentation
bin1111101110000…
…00001001100001
3100012010010121012
413313000021201
5232223442131
621030110305
73160532456
oct767001141
9305103535
10131859041
1168481716
12381ab395
1321419a02
141372582d
15b89952b
hex7dc0261

131859041 has 4 divisors (see below), whose sum is σ = 134094000. Its totient is φ = 129624084.

The previous prime is 131859037. The next prime is 131859047. The reversal of 131859041 is 140958131.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 140958131 = 197418849.

It is a cyclic number.

It is not a de Polignac number, because 131859041 - 22 = 131859037 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 131858989 and 131859007.

It is not an unprimeable number, because it can be changed into a prime (131859047) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1117391 + ... + 1117508.

It is an arithmetic number, because the mean of its divisors is an integer number (33523500).

Almost surely, 2131859041 is an apocalyptic number.

It is an amenable number.

131859041 is a deficient number, since it is larger than the sum of its proper divisors (2234959).

131859041 is an equidigital number, since it uses as much as digits as its factorization.

131859041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2234958.

The product of its (nonzero) digits is 4320, while the sum is 32.

The square root of 131859041 is about 11482.9892014231. The cubic root of 131859041 is about 508.9830317679.

The spelling of 131859041 in words is "one hundred thirty-one million, eight hundred fifty-nine thousand, forty-one".

Divisors: 1 59 2234899 131859041