[go: up one dir, main page]

Search a number
-
+
130179297 = 3191227189
BaseRepresentation
bin1111100001001…
…10000011100001
3100001221210102110
413300212003201
5231311214142
620530105533
73140335323
oct760460341
9301853373
10130179297
11675346a6
123771b2a9
1320c7c291
1413409613
15b66699c
hex7c260e1

130179297 has 8 divisors (see below), whose sum is σ = 174481920. Its totient is φ = 86331440.

The previous prime is 130179293. The next prime is 130179349. The reversal of 130179297 is 792971031.

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

It is a cyclic number.

It is not a de Polignac number, because 130179297 - 22 = 130179293 is a prime.

It is not an unprimeable number, because it can be changed into a prime (130179293) 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, 113022 + ... + 114167.

It is an arithmetic number, because the mean of its divisors is an integer number (21810240).

Almost surely, 2130179297 is an apocalyptic number.

It is an amenable number.

130179297 is a deficient number, since it is larger than the sum of its proper divisors (44302623).

130179297 is a wasteful number, since it uses less digits than its factorization.

130179297 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 227383.

The product of its (nonzero) digits is 23814, while the sum is 39.

The square root of 130179297 is about 11409.6142353719. The cubic root of 130179297 is about 506.8124877967.

The spelling of 130179297 in words is "one hundred thirty million, one hundred seventy-nine thousand, two hundred ninety-seven".

Divisors: 1 3 191 573 227189 681567 43393099 130179297