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3130392 = 2332353107
BaseRepresentation
bin1011111100010000011000
312220001002110
423330100120
51300133032
6151032320
735415336
oct13742030
95801073
103130392
111848a01
12106b6a0
13857b05
145b6b56
1541c7cc
hex2fc418

3130392 has 64 divisors (see below), whose sum is σ = 8398080. Its totient is φ = 970112.

The previous prime is 3130373. The next prime is 3130399. The reversal of 3130392 is 2930313.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3130399) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29203 + ... + 29309.

It is an arithmetic number, because the mean of its divisors is an integer number (131220).

Almost surely, 23130392 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3130392, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4199040).

3130392 is an abundant number, since it is smaller than the sum of its proper divisors (5267688).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3130392 is a wasteful number, since it uses less digits than its factorization.

3130392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192 (or 188 counting only the distinct ones).

The product of its (nonzero) digits is 486, while the sum is 21.

The square root of 3130392 is about 1769.2913835771. The cubic root of 3130392 is about 146.2849255474.

The spelling of 3130392 in words is "three million, one hundred thirty thousand, three hundred ninety-two".

Divisors: 1 2 3 4 6 8 12 23 24 46 53 69 92 106 107 138 159 184 212 214 276 318 321 424 428 552 636 642 856 1219 1272 1284 2438 2461 2568 3657 4876 4922 5671 7314 7383 9752 9844 11342 14628 14766 17013 19688 22684 29256 29532 34026 45368 59064 68052 130433 136104 260866 391299 521732 782598 1043464 1565196 3130392