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130338257 = 759315589
BaseRepresentation
bin1111100010011…
…00110111010001
3100002020212110212
413301030313101
5231331311012
620533333505
73141566630
oct761146721
9302225425
10130338257
1167633075
1237797295
132100673a
141344b517
15b698b22
hex7c4cdd1

130338257 has 8 divisors (see below), whose sum is σ = 151483200. Its totient is φ = 109824624.

The previous prime is 130338251. The next prime is 130338259. The reversal of 130338257 is 752833031.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 130338257 - 26 = 130338193 is a prime.

It is a super-2 number, since 2×1303382572 = 33976122475596098, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (130338251) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 157382 + ... + 158207.

It is an arithmetic number, because the mean of its divisors is an integer number (18935400).

Almost surely, 2130338257 is an apocalyptic number.

It is an amenable number.

130338257 is a deficient number, since it is larger than the sum of its proper divisors (21144943).

130338257 is an equidigital number, since it uses as much as digits as its factorization.

130338257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 315655.

The product of its (nonzero) digits is 15120, while the sum is 32.

The square root of 130338257 is about 11416.5781651071. The cubic root of 130338257 is about 507.0186909482.

The spelling of 130338257 in words is "one hundred thirty million, three hundred thirty-eight thousand, two hundred fifty-seven".

Divisors: 1 7 59 413 315589 2209123 18619751 130338257