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3130637 = 29412633
BaseRepresentation
bin1011111100010100001101
312220001102112
423330110031
51300140022
6151033405
735416136
oct13742415
95801375
103130637
111849104
12106b865
13857c63
145b6c8d
1541c8e2
hex2fc50d

3130637 has 8 divisors (see below), whose sum is σ = 3318840. Its totient is φ = 2947840.

The previous prime is 3130627. The next prime is 3130663. The reversal of 3130637 is 7360313.

It can be written as a sum of positive squares in 4 ways, for example, as 11881 + 3118756 = 109^2 + 1766^2 .

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 3130637 - 210 = 3129613 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3130627) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 128 + ... + 2505.

It is an arithmetic number, because the mean of its divisors is an integer number (414855).

Almost surely, 23130637 is an apocalyptic number.

It is an amenable number.

3130637 is a deficient number, since it is larger than the sum of its proper divisors (188203).

3130637 is a wasteful number, since it uses less digits than its factorization.

3130637 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2703.

The product of its (nonzero) digits is 1134, while the sum is 23.

The square root of 3130637 is about 1769.3606189808. The cubic root of 3130637 is about 146.2887417757.

The spelling of 3130637 in words is "three million, one hundred thirty thousand, six hundred thirty-seven".

Divisors: 1 29 41 1189 2633 76357 107953 3130637