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117202705 = 5163143807
BaseRepresentation
bin1101111110001…
…01111100010001
322011112111212221
412333011330101
5220000441310
615344021041
72622130564
oct677057421
9264474787
10117202705
1160181144
1233301781
131b387919
14117cc4db
15a451ada
hex6fc5f11

117202705 has 8 divisors (see below), whose sum is σ = 141507072. Its totient is φ = 93186288.

The previous prime is 117202703. The next prime is 117202721. The reversal of 117202705 is 507202711.

It is a happy number.

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 117202705 - 21 = 117202703 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 117202705.

It is not an unprimeable number, because it can be changed into a prime (117202703) 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, 71089 + ... + 72718.

It is an arithmetic number, because the mean of its divisors is an integer number (17688384).

Almost surely, 2117202705 is an apocalyptic number.

It is an amenable number.

117202705 is a deficient number, since it is larger than the sum of its proper divisors (24304367).

117202705 is a wasteful number, since it uses less digits than its factorization.

117202705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143975.

The product of its (nonzero) digits is 980, while the sum is 25.

The square root of 117202705 is about 10826.0198133940. The cubic root of 117202705 is about 489.3796188752.

The spelling of 117202705 in words is "one hundred seventeen million, two hundred two thousand, seven hundred five".

Divisors: 1 5 163 815 143807 719035 23440541 117202705