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6130831 = 72125119
BaseRepresentation
bin10111011000110010001111
3102112110220211
4113120302033
53032141311
6335223251
7103053100
oct27306217
912473824
106130831
113508203
122077b27
131368715
14b583a7
15811821
hex5d8c8f

6130831 has 6 divisors (see below), whose sum is σ = 7131840. Its totient is φ = 5254956.

The previous prime is 6130823. The next prime is 6130849. The reversal of 6130831 is 1380316.

It is not a de Polignac number, because 6130831 - 23 = 6130823 is a prime.

It is a super-2 number, since 2×61308312 = 75174177501122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6110831) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 62511 + ... + 62608.

It is an arithmetic number, because the mean of its divisors is an integer number (1188640).

Almost surely, 26130831 is an apocalyptic number.

6130831 is a deficient number, since it is larger than the sum of its proper divisors (1001009).

6130831 is a wasteful number, since it uses less digits than its factorization.

6130831 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125133 (or 125126 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 6130831 is about 2476.0514938103. The cubic root of 6130831 is about 183.0233280701.

The spelling of 6130831 in words is "six million, one hundred thirty thousand, eight hundred thirty-one".

Divisors: 1 7 49 125119 875833 6130831