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117379709 = 287940771
BaseRepresentation
bin1101111111100…
…01001001111101
322011212111200122
412333301021331
5220022122314
615351504325
72623465616
oct677611175
9264774618
10117379709
1160292127
12333880a5
131b41a365
1411836c0d
15a48928e
hex6ff127d

117379709 has 4 divisors (see below), whose sum is σ = 117423360. Its totient is φ = 117336060.

The previous prime is 117379681. The next prime is 117379721. The reversal of 117379709 is 907973711.

It is a happy number.

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 117379709 - 212 = 117375613 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 117379709.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117379729) 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, 17507 + ... + 23264.

It is an arithmetic number, because the mean of its divisors is an integer number (29355840).

Almost surely, 2117379709 is an apocalyptic number.

It is an amenable number.

117379709 is a deficient number, since it is larger than the sum of its proper divisors (43651).

117379709 is an equidigital number, since it uses as much as digits as its factorization.

117379709 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43650.

The product of its (nonzero) digits is 83349, while the sum is 44.

The square root of 117379709 is about 10834.1916634329. The cubic root of 117379709 is about 489.6258548869.

The spelling of 117379709 in words is "one hundred seventeen million, three hundred seventy-nine thousand, seven hundred nine".

Divisors: 1 2879 40771 117379709