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3130490 = 2511149191
BaseRepresentation
bin1011111100010001111010
312220001020002
423330101322
51300133430
6151033002
735415536
oct13742172
95801202
103130490
111848a90
12106b762
13857b7c
145b6bc6
1541c845
hex2fc47a

3130490 has 32 divisors (see below), whose sum is σ = 6220800. Its totient is φ = 1124800.

The previous prime is 3130487. The next prime is 3130493. The reversal of 3130490 is 940313.

It is an interprime number because it is at equal distance from previous prime (3130487) and next prime (3130493).

It is not an unprimeable number, because it can be changed into a prime (3130493) 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 15 ways as a sum of consecutive naturals, for example, 16295 + ... + 16485.

It is an arithmetic number, because the mean of its divisors is an integer number (194400).

Almost surely, 23130490 is an apocalyptic number.

3130490 is a deficient number, since it is larger than the sum of its proper divisors (3090310).

3130490 is a wasteful number, since it uses less digits than its factorization.

3130490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 358.

The product of its (nonzero) digits is 324, while the sum is 20.

The square root of 3130490 is about 1769.3190780636. The cubic root of 3130490 is about 146.2864520626.

The spelling of 3130490 in words is "three million, one hundred thirty thousand, four hundred ninety".

Divisors: 1 2 5 10 11 22 55 110 149 191 298 382 745 955 1490 1639 1910 2101 3278 4202 8195 10505 16390 21010 28459 56918 142295 284590 313049 626098 1565245 3130490