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130974425 = 525238977
BaseRepresentation
bin1111100111010…
…00001011011001
3100010110012010122
413303220023121
5232012140200
620555123025
73150156431
oct763501331
9303405118
10130974425
1167a2802a
1237a43475
132119a17a
14135752c1
15b772385
hex7ce82d9

130974425 has 6 divisors (see below), whose sum is σ = 162408318. Its totient is φ = 104779520.

The previous prime is 130974421. The next prime is 130974433. The reversal of 130974425 is 524479031.

It can be written as a sum of positive squares in 3 ways, for example, as 3916441 + 127057984 = 1979^2 + 11272^2 .

It is not a de Polignac number, because 130974425 - 22 = 130974421 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (130974421) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2619464 + ... + 2619513.

It is an arithmetic number, because the mean of its divisors is an integer number (27068053).

Almost surely, 2130974425 is an apocalyptic number.

It is an amenable number.

130974425 is a deficient number, since it is larger than the sum of its proper divisors (31433893).

130974425 is an equidigital number, since it uses as much as digits as its factorization.

130974425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5238987 (or 5238982 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 35.

The square root of 130974425 is about 11444.4058386620. The cubic root of 130974425 is about 507.8422549981.

The spelling of 130974425 in words is "one hundred thirty million, nine hundred seventy-four thousand, four hundred twenty-five".

Divisors: 1 5 25 5238977 26194885 130974425