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115677745 = 5121319073
BaseRepresentation
bin1101110010100…
…01101000110001
322001200001000221
412321101220301
5214103141440
615251213041
72603146621
oct671215061
9261601027
10115677745
115a32a447
12328a7181
131ac72791
1411512881
15a24ed4a
hex6e51a31

115677745 has 8 divisors (see below), whose sum is σ = 138935016. Its totient is φ = 92461056.

The previous prime is 115677739. The next prime is 115677773. The reversal of 115677745 is 547776511.

It can be written as a sum of positive squares in 4 ways, for example, as 10471696 + 105206049 = 3236^2 + 10257^2 .

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 115677745 - 25 = 115677713 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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, 3472 + ... + 15601.

It is an arithmetic number, because the mean of its divisors is an integer number (17366877).

Almost surely, 2115677745 is an apocalyptic number.

It is an amenable number.

115677745 is a deficient number, since it is larger than the sum of its proper divisors (23257271).

115677745 is a wasteful number, since it uses less digits than its factorization.

115677745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20291.

The product of its digits is 205800, while the sum is 43.

The square root of 115677745 is about 10755.3588968477. The cubic root of 115677745 is about 487.2478573377.

The spelling of 115677745 in words is "one hundred fifteen million, six hundred seventy-seven thousand, seven hundred forty-five".

Divisors: 1 5 1213 6065 19073 95365 23135549 115677745