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130710260 = 22531210823
BaseRepresentation
bin1111100101001…
…11101011110100
3100002221202202202
413302213223310
5231430212020
620545324032
73145006322
oct762475364
9302852682
10130710260
116786760a
1237936618
1321106b65
1413506d12
15b71de75
hex7ca7af4

130710260 has 24 divisors (see below), whose sum is σ = 283347456. Its totient is φ = 50597280.

The previous prime is 130710257. The next prime is 130710271. The reversal of 130710260 is 62017031.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 104792 + ... + 106031.

It is an arithmetic number, because the mean of its divisors is an integer number (11806144).

Almost surely, 2130710260 is an apocalyptic number.

130710260 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

130710260 is an abundant number, since it is smaller than the sum of its proper divisors (152637196).

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

130710260 is a wasteful number, since it uses less digits than its factorization.

130710260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210863 (or 210861 counting only the distinct ones).

The product of its (nonzero) digits is 252, while the sum is 20.

The square root of 130710260 is about 11432.8587850983. The cubic root of 130710260 is about 507.5005993829.

Adding to 130710260 its reverse (62017031), we get a palindrome (192727291).

The spelling of 130710260 in words is "one hundred thirty million, seven hundred ten thousand, two hundred sixty".

Divisors: 1 2 4 5 10 20 31 62 124 155 310 620 210823 421646 843292 1054115 2108230 4216460 6535513 13071026 26142052 32677565 65355130 130710260