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115985061 = 334399901
BaseRepresentation
bin1101110100111…
…00101010100101
322002020122121000
412322130222211
5214143010221
615301543513
72605566603
oct672345245
9262218530
10115985061
115a51a325
1232a14b99
131b04c61a
1411592873
15a2b0e26
hex6e9caa5

115985061 has 16 divisors (see below), whose sum is σ = 175827520. Its totient is φ = 75524400.

The previous prime is 115985059. The next prime is 115985069. The reversal of 115985061 is 160589511.

115985061 is a `hidden beast` number, since 1 + 1 + 598 + 5 + 0 + 61 = 666.

It is not a de Polignac number, because 115985061 - 21 = 115985059 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115985069) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48790 + ... + 51111.

It is an arithmetic number, because the mean of its divisors is an integer number (10989220).

Almost surely, 2115985061 is an apocalyptic number.

It is an amenable number.

115985061 is a deficient number, since it is larger than the sum of its proper divisors (59842459).

115985061 is an equidigital number, since it uses as much as digits as its factorization.

115985061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99953 (or 99947 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 36.

The square root of 115985061 is about 10769.6360662745. The cubic root of 115985061 is about 487.6789591489.

The spelling of 115985061 in words is "one hundred fifteen million, nine hundred eighty-five thousand, sixty-one".

Divisors: 1 3 9 27 43 129 387 1161 99901 299703 899109 2697327 4295743 12887229 38661687 115985061