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2490131 = 7289571
BaseRepresentation
bin1001011111111100010011
311200111211002
421133330103
51114141011
6125212215
730110600
oct11377423
94614732
102490131
111450966
12a0106b
13692567
1448b6a7
15342c3b
hex25ff13

2490131 has 12 divisors (see below), whose sum is σ = 2934360. Its totient is φ = 2106720.

The previous prime is 2490127. The next prime is 2490139. The reversal of 2490131 is 1310942.

It is not a de Polignac number, because 2490131 - 22 = 2490127 is a prime.

It is a super-2 number, since 2×24901312 = 12401504794322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2490139) 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, 4076 + ... + 4646.

It is an arithmetic number, because the mean of its divisors is an integer number (244530).

22490131 is an apocalyptic number.

2490131 is a deficient number, since it is larger than the sum of its proper divisors (444229).

2490131 is an equidigital number, since it uses as much as digits as its factorization.

2490131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 674 (or 667 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 20.

The square root of 2490131 is about 1578.0148921984. The cubic root of 2490131 is about 135.5420547286.

The spelling of 2490131 in words is "two million, four hundred ninety thousand, one hundred thirty-one".

Divisors: 1 7 49 89 571 623 3997 4361 27979 50819 355733 2490131