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115117369 = 239751599
BaseRepresentation
bin1101101110010…
…00110100111001
322000121120100021
412313020310321
5213432223434
615231210441
72565324103
oct667106471
9260546307
10115117369
1159a87424
1232676a21
131ab076b3
1411408573
15a18dcb4
hex6dc8d39

115117369 has 8 divisors (see below), whose sum is σ = 121363200. Its totient is φ = 108974976.

The previous prime is 115117367. The next prime is 115117391. The reversal of 115117369 is 963711511.

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 115117369 - 21 = 115117367 is a prime.

It is a super-2 number, since 2×1151173692 = 26504017290964322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (115117363) 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, 23569 + ... + 28030.

It is an arithmetic number, because the mean of its divisors is an integer number (15170400).

Almost surely, 2115117369 is an apocalyptic number.

It is an amenable number.

115117369 is a deficient number, since it is larger than the sum of its proper divisors (6245831).

115117369 is an equidigital number, since it uses as much as digits as its factorization.

115117369 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51719.

The product of its digits is 5670, while the sum is 34.

The square root of 115117369 is about 10729.2762570455. The cubic root of 115117369 is about 486.4597942189.

The spelling of 115117369 in words is "one hundred fifteen million, one hundred seventeen thousand, three hundred sixty-nine".

Divisors: 1 23 97 2231 51599 1186777 5005103 115117369