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115289072 = 2470910163
BaseRepresentation
bin1101101111100…
…10101111110000
322000221021212122
412313302233300
5214003222242
615235013412
72566640513
oct667625760
9260837778
10115289072
115a094428
123273a268
131ab678b2
1411450d7a
15a1c4ad2
hex6df2bf0

115289072 has 20 divisors (see below), whose sum is σ = 223709640. Its totient is φ = 57557568.

The previous prime is 115289051. The next prime is 115289113. The reversal of 115289072 is 270982511.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6263 + ... + 16425.

It is an arithmetic number, because the mean of its divisors is an integer number (11185482).

Almost surely, 2115289072 is an apocalyptic number.

It is an amenable number.

115289072 is a deficient number, since it is larger than the sum of its proper divisors (108420568).

115289072 is a wasteful number, since it uses less digits than its factorization.

115289072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10880 (or 10874 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 35.

The square root of 115289072 is about 10737.2748870465. The cubic root of 115289072 is about 486.7015333332.

The spelling of 115289072 in words is "one hundred fifteen million, two hundred eighty-nine thousand, seventy-two".

Divisors: 1 2 4 8 16 709 1418 2836 5672 10163 11344 20326 40652 81304 162608 7205567 14411134 28822268 57644536 115289072