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130579214 = 265289607
BaseRepresentation
bin1111100100001…
…11101100001110
3100002201010000012
413302013230032
5231412013324
620542433222
73143622263
oct762075416
9302633005
10130579214
1167788107
1237892812
132108c30c
14134b126a
15b6e520e
hex7c87b0e

130579214 has 4 divisors (see below), whose sum is σ = 195868824. Its totient is φ = 65289606.

The previous prime is 130579187. The next prime is 130579277. The reversal of 130579214 is 412975031.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×1305792142 = 34101862257715592, 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 as a sum of consecutive naturals, namely, 32644802 + ... + 32644805.

It is an arithmetic number, because the mean of its divisors is an integer number (48967206).

Almost surely, 2130579214 is an apocalyptic number.

130579214 is a deficient number, since it is larger than the sum of its proper divisors (65289610).

130579214 is an equidigital number, since it uses as much as digits as its factorization.

130579214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65289609.

The product of its (nonzero) digits is 7560, while the sum is 32.

The square root of 130579214 is about 11427.1262354102. The cubic root of 130579214 is about 507.3309412869.

The spelling of 130579214 in words is "one hundred thirty million, five hundred seventy-nine thousand, two hundred fourteen".

Divisors: 1 2 65289607 130579214