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130608937 = 827157931
BaseRepresentation
bin1111100100011…
…10111100101001
3100002202121210001
413302032330221
5231413441222
620543223001
73144105034
oct762167451
9302677701
10130608937
11677a8478
12378a7a61
132109c9c4
14134bc01b
15b6ede27
hex7c8ef29

130608937 has 4 divisors (see below), whose sum is σ = 130767696. Its totient is φ = 130450180.

The previous prime is 130608913. The next prime is 130608967. The reversal of 130608937 is 739806031.

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.

It is a cyclic number.

It is not a de Polignac number, because 130608937 - 215 = 130576169 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 130608896 and 130608905.

It is not an unprimeable number, because it can be changed into a prime (130608967) 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, 78139 + ... + 79792.

It is an arithmetic number, because the mean of its divisors is an integer number (32691924).

Almost surely, 2130608937 is an apocalyptic number.

It is an amenable number.

130608937 is a deficient number, since it is larger than the sum of its proper divisors (158759).

130608937 is an equidigital number, since it uses as much as digits as its factorization.

130608937 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158758.

The product of its (nonzero) digits is 27216, while the sum is 37.

The square root of 130608937 is about 11428.4267071194. The cubic root of 130608937 is about 507.3694319806.

The spelling of 130608937 in words is "one hundred thirty million, six hundred eight thousand, nine hundred thirty-seven".

Divisors: 1 827 157931 130608937