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117248257 = 721137927
BaseRepresentation
bin1101111110100…
…01000100000001
322011121211101001
412333101010001
5220003421012
615345012001
72622410440
oct677210401
9264554331
10117248257
1160202395
1233324001
131b3a2589
1411800d57
15a460357
hex6fd1101

117248257 has 8 divisors (see below), whose sum is σ = 134078336. Its totient is φ = 100438272.

The previous prime is 117248251. The next prime is 117248267. The reversal of 117248257 is 752842711.

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 117248257 - 27 = 117248129 is a prime.

It is not an unprimeable number, because it can be changed into a prime (117248251) 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, 10828 + ... + 18754.

It is an arithmetic number, because the mean of its divisors is an integer number (16759792).

Almost surely, 2117248257 is an apocalyptic number.

It is an amenable number.

117248257 is a deficient number, since it is larger than the sum of its proper divisors (16830079).

117248257 is an equidigital number, since it uses as much as digits as its factorization.

117248257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10047.

The product of its digits is 31360, while the sum is 37.

The square root of 117248257 is about 10828.1234292928. The cubic root of 117248257 is about 489.4430114195.

The spelling of 117248257 in words is "one hundred seventeen million, two hundred forty-eight thousand, two hundred fifty-seven".

Divisors: 1 7 2113 7927 14791 55489 16749751 117248257