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115097885 = 5731432467
BaseRepresentation
bin1101101110001…
…00000100011101
322000120120121122
412313010010131
5213431113020
615230540325
72565213230
oct667040435
9260516548
10115097885
1159a73821
12326676a5
131aacb876
1411401417
15a188125
hex6dc411d

115097885 has 32 divisors (see below), whose sum is σ = 166797312. Its totient is φ = 74571840.

The previous prime is 115097869. The next prime is 115097909. The reversal of 115097885 is 588790511.

It is a happy number.

It is not a de Polignac number, because 115097885 - 24 = 115097869 is a prime.

It is a Duffinian number.

It is a congruent 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 31 ways as a sum of consecutive naturals, for example, 45422 + ... + 47888.

It is an arithmetic number, because the mean of its divisors is an integer number (5212416).

Almost surely, 2115097885 is an apocalyptic number.

It is an amenable number.

115097885 is a deficient number, since it is larger than the sum of its proper divisors (51699427).

115097885 is a wasteful number, since it uses less digits than its factorization.

115097885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2553.

The product of its (nonzero) digits is 100800, while the sum is 44.

The square root of 115097885 is about 10728.3682356638. The cubic root of 115097885 is about 486.4323476876.

The spelling of 115097885 in words is "one hundred fifteen million, ninety-seven thousand, eight hundred eighty-five".

Divisors: 1 5 7 31 35 43 155 215 217 301 1085 1333 1505 2467 6665 9331 12335 17269 46655 76477 86345 106081 382385 530405 535339 742567 2676695 3288511 3712835 16442555 23019577 115097885