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3130488 = 23344831
BaseRepresentation
bin1011111100010001111000
312220001020000
423330101320
51300133423
6151033000
735415534
oct13742170
95801200
103130488
111848a89
12106b760
13857b7a
145b6bc4
1541c843
hex2fc478

3130488 has 40 divisors (see below), whose sum is σ = 8770080. Its totient is φ = 1043280.

The previous prime is 3130487. The next prime is 3130493. The reversal of 3130488 is 8840313.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3130483) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 1768 + ... + 3063.

It is an arithmetic number, because the mean of its divisors is an integer number (219252).

Almost surely, 23130488 is an apocalyptic number.

It is an amenable number.

3130488 is an abundant number, since it is smaller than the sum of its proper divisors (5639592).

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

3130488 is a wasteful number, since it uses less digits than its factorization.

3130488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4849 (or 4836 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 3130488 is about 1769.3185128744. The cubic root of 3130488 is about 146.2864209096.

The spelling of 3130488 in words is "three million, one hundred thirty thousand, four hundred eighty-eight".

Divisors: 1 2 3 4 6 8 9 12 18 24 27 36 54 72 81 108 162 216 324 648 4831 9662 14493 19324 28986 38648 43479 57972 86958 115944 130437 173916 260874 347832 391311 521748 782622 1043496 1565244 3130488