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117695281 = 1122374783
BaseRepresentation
bin1110000001111…
…10001100110001
322012110112120111
413000332030301
5220112222111
615402341321
72626251634
oct700761461
9265415514
10117695281
1160488230
12334ba841
131b4caba2
14118b9c1b
15a4eca21
hex703e331

117695281 has 8 divisors (see below), whose sum is σ = 128479104. Its totient is φ = 106925520.

The previous prime is 117695273. The next prime is 117695287. The reversal of 117695281 is 182596711.

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 117695281 - 23 = 117695273 is a prime.

It is a super-2 number, since 2×1176952812 = 27704358339337922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (117695287) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22216 + ... + 26998.

It is an arithmetic number, because the mean of its divisors is an integer number (16059888).

Almost surely, 2117695281 is an apocalyptic number.

117695281 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

117695281 is a deficient number, since it is larger than the sum of its proper divisors (10783823).

117695281 is a wasteful number, since it uses less digits than its factorization.

117695281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7031.

The product of its digits is 30240, while the sum is 40.

The square root of 117695281 is about 10848.7455956899. The cubic root of 117695281 is about 490.0642439714.

The spelling of 117695281 in words is "one hundred seventeen million, six hundred ninety-five thousand, two hundred eighty-one".

Divisors: 1 11 2237 4783 24607 52613 10699571 117695281