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130662257 = 1111878387
BaseRepresentation
bin1111100100110…
…11111101110001
3100002212022220212
413302123331301
5231422143012
620544313505
73144416345
oct762337561
9302768825
10130662257
1167834540
1237912895
13210bb05b
14134d3625
15b70eb22
hex7c9bf71

130662257 has 4 divisors (see below), whose sum is σ = 142540656. Its totient is φ = 118783860.

The previous prime is 130662253. The next prime is 130662269. The reversal of 130662257 is 752266031.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 130662257 - 22 = 130662253 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (130662253) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5939183 + ... + 5939204.

It is an arithmetic number, because the mean of its divisors is an integer number (35635164).

Almost surely, 2130662257 is an apocalyptic number.

It is an amenable number.

130662257 is a deficient number, since it is larger than the sum of its proper divisors (11878399).

130662257 is a wasteful number, since it uses less digits than its factorization.

130662257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11878398.

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

The square root of 130662257 is about 11430.7592486239. The cubic root of 130662257 is about 507.4384656883.

The spelling of 130662257 in words is "one hundred thirty million, six hundred sixty-two thousand, two hundred fifty-seven".

Divisors: 1 11 11878387 130662257