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115985995 = 553439997
BaseRepresentation
bin1101110100111…
…00111001001011
322002020200212121
412322130321023
5214143022440
615301552111
72605602406
oct672347113
9262220777
10115985995
115a51aaa4
1232a15637
131b04cb88
1411592d3d
15a2b134a
hex6e9ce4b

115985995 has 16 divisors (see below), whose sum is σ = 142274880. Its totient is φ = 90739584.

The previous prime is 115985953. The next prime is 115986001. The reversal of 115985995 is 599589511.

It is a cyclic number.

It is not a de Polignac number, because 115985995 - 27 = 115985867 is a prime.

It is a super-2 number, since 2×1159859952 = 26905502072280050, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 115837 + ... + 116833.

It is an arithmetic number, because the mean of its divisors is an integer number (8892180).

Almost surely, 2115985995 is an apocalyptic number.

115985995 is a deficient number, since it is larger than the sum of its proper divisors (26288885).

115985995 is an equidigital number, since it uses as much as digits as its factorization.

115985995 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1494.

The product of its digits is 729000, while the sum is 52.

The square root of 115985995 is about 10769.6794288410. The cubic root of 115985995 is about 487.6802681995.

The spelling of 115985995 in words is "one hundred fifteen million, nine hundred eighty-five thousand, nine hundred ninety-five".

Divisors: 1 5 53 265 439 997 2195 4985 23267 52841 116335 264205 437683 2188415 23197199 115985995