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3130302 = 23774531
BaseRepresentation
bin1011111100001110111110
312220000222010
423330032332
51300132202
6151032050
735415150
oct13741676
95800863
103130302
11184892a
12106b626
13857a66
145b6ad0
1541c76c
hex2fc3be

3130302 has 16 divisors (see below), whose sum is σ = 7155072. Its totient is φ = 894360.

The previous prime is 3130297. The next prime is 3130327. The reversal of 3130302 is 2030313.

Adding to 3130302 its reverse (2030313), we get a palindrome (5160615).

It can be divided in two parts, 3 and 130302, that added together give a triangular number (130305 = T510).

It is a happy number.

It is a super-2 number, since 2×31303022 = 19597581222408, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37224 + ... + 37307.

It is an arithmetic number, because the mean of its divisors is an integer number (447192).

Almost surely, 23130302 is an apocalyptic number.

3130302 is an abundant number, since it is smaller than the sum of its proper divisors (4024770).

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

3130302 is a wasteful number, since it uses less digits than its factorization.

3130302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74543.

The product of its (nonzero) digits is 54, while the sum is 12.

The square root of 3130302 is about 1769.2659494830. The cubic root of 3130302 is about 146.2835236176.

The spelling of 3130302 in words is "three million, one hundred thirty thousand, three hundred two".

Divisors: 1 2 3 6 7 14 21 42 74531 149062 223593 447186 521717 1043434 1565151 3130302