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130394290 = 25133727109
BaseRepresentation
bin1111100010110…
…10100010110010
3100002100201100011
413301122202302
5231340104130
620534445134
73142222165
oct761324262
9302321304
10130394290
1167671184
12378037aa
13210260b0
1413463adc
15b6aa52a
hex7c5a8b2

130394290 has 32 divisors (see below), whose sum is σ = 259605360. Its totient is φ = 46842624.

The previous prime is 130394273. The next prime is 130394293. The reversal of 130394290 is 92493031.

It can be written as a sum of positive squares in 8 ways, for example, as 47238129 + 83156161 = 6873^2 + 9119^2 .

It is not an unprimeable number, because it can be changed into a prime (130394293) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8745 + ... + 18364.

Almost surely, 2130394290 is an apocalyptic number.

130394290 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

130394290 is a deficient number, since it is larger than the sum of its proper divisors (129211070).

130394290 is a wasteful number, since it uses less digits than its factorization.

130394290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27166.

The product of its (nonzero) digits is 5832, while the sum is 31.

The square root of 130394290 is about 11419.0319204388. The cubic root of 130394290 is about 507.0913370737.

The spelling of 130394290 in words is "one hundred thirty million, three hundred ninety-four thousand, two hundred ninety".

Divisors: 1 2 5 10 13 26 37 65 74 130 185 370 481 962 2405 4810 27109 54218 135545 271090 352417 704834 1003033 1762085 2006066 3524170 5015165 10030330 13039429 26078858 65197145 130394290