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117072353 = 176886609
BaseRepresentation
bin1101111101001…
…10000111100001
322011021220002002
412332212013201
5214432303403
615341133345
72621045546
oct676460741
9264256062
10117072353
11600a2212
123325a255
131b3404a8
1411796bcd
15a428188
hex6fa61e1

117072353 has 4 divisors (see below), whose sum is σ = 123958980. Its totient is φ = 110185728.

The previous prime is 117072349. The next prime is 117072377. The reversal of 117072353 is 353270711.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 353270711 = 980336037.

It can be written as a sum of positive squares in 2 ways, for example, as 38093584 + 78978769 = 6172^2 + 8887^2 .

It is a cyclic number.

It is not a de Polignac number, because 117072353 - 22 = 117072349 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (117072313) 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, 3443288 + ... + 3443321.

It is an arithmetic number, because the mean of its divisors is an integer number (30989745).

Almost surely, 2117072353 is an apocalyptic number.

It is an amenable number.

117072353 is a deficient number, since it is larger than the sum of its proper divisors (6886627).

117072353 is an equidigital number, since it uses as much as digits as its factorization.

117072353 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6886626.

The product of its (nonzero) digits is 4410, while the sum is 29.

The square root of 117072353 is about 10819.9978280959. The cubic root of 117072353 is about 489.1981234162.

The spelling of 117072353 in words is "one hundred seventeen million, seventy-two thousand, three hundred fifty-three".

Divisors: 1 17 6886609 117072353