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113668647 = 3172228797
BaseRepresentation
bin1101100011001…
…11001000100111
321220212222001220
412301213020213
5213044344042
615140151423
72550111321
oct661471047
9256788056
10113668647
1159187a34
1232098573
131a71b171
141114c611
159ea48ec
hex6c67227

113668647 has 8 divisors (see below), whose sum is σ = 160473456. Its totient is φ = 71321472.

The previous prime is 113668627. The next prime is 113668679. The reversal of 113668647 is 746866311.

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

It is not a de Polignac number, because 113668647 - 211 = 113666599 is a prime.

It is a super-2 number, since 2×1136686472 = 25841122621621218, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 113668599 and 113668608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113668627) 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, 1114348 + ... + 1114449.

It is an arithmetic number, because the mean of its divisors is an integer number (20059182).

Almost surely, 2113668647 is an apocalyptic number.

113668647 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

113668647 is a deficient number, since it is larger than the sum of its proper divisors (46804809).

113668647 is a wasteful number, since it uses less digits than its factorization.

113668647 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2228817.

The product of its digits is 145152, while the sum is 42.

The square root of 113668647 is about 10661.5499342263. The cubic root of 113668647 is about 484.4105170321.

The spelling of 113668647 in words is "one hundred thirteen million, six hundred sixty-eight thousand, six hundred forty-seven".

Divisors: 1 3 17 51 2228797 6686391 37889549 113668647