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3130992 = 2432171279
BaseRepresentation
bin1011111100011001110000
312220001220200
423330121300
51300142432
6151035200
735420154
oct13743160
95801820
103130992
1118493a7
12106bb00
13858177
145b7064
1541ca7c
hex2fc670

3130992 has 60 divisors (see below), whose sum is σ = 9285120. Its totient is φ = 981504.

The previous prime is 3130987. The next prime is 3130993. The reversal of 3130992 is 2990313.

3130992 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×31309922 = 19606221808128, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3130993) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1809 + ... + 3087.

It is an arithmetic number, because the mean of its divisors is an integer number (154752).

Almost surely, 23130992 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 3130992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4642560).

3130992 is an abundant number, since it is smaller than the sum of its proper divisors (6154128).

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

3130992 is a wasteful number, since it uses less digits than its factorization.

3130992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1310 (or 1301 counting only the distinct ones).

The product of its (nonzero) digits is 1458, while the sum is 27.

The square root of 3130992 is about 1769.4609348612. The cubic root of 3130992 is about 146.2942710594.

The spelling of 3130992 in words is "three million, one hundred thirty thousand, nine hundred ninety-two".

Divisors: 1 2 3 4 6 8 9 12 16 17 18 24 34 36 48 51 68 72 102 136 144 153 204 272 306 408 612 816 1224 1279 2448 2558 3837 5116 7674 10232 11511 15348 20464 21743 23022 30696 43486 46044 61392 65229 86972 92088 130458 173944 184176 195687 260916 347888 391374 521832 782748 1043664 1565496 3130992