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115164553 = 7216314419
BaseRepresentation
bin1101101110101…
…00010110001001
322000200222001211
412313110112021
5213440231203
615232213121
72565611500
oct667242611
9260628054
10115164553
115a009919
123269a1a1
131ab2300a
141141b837
15a19cc6d
hex6dd4589

115164553 has 12 divisors (see below), whose sum is σ = 134798160. Its totient is φ = 98100072.

The previous prime is 115164551. The next prime is 115164557. The reversal of 115164553 is 355461511.

It is a happy number.

It is not a de Polignac number, because 115164553 - 21 = 115164551 is a prime.

It is not an unprimeable number, because it can be changed into a prime (115164551) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 778 + ... + 15196.

It is an arithmetic number, because the mean of its divisors is an integer number (11233180).

Almost surely, 2115164553 is an apocalyptic number.

It is an amenable number.

115164553 is a deficient number, since it is larger than the sum of its proper divisors (19633607).

115164553 is a wasteful number, since it uses less digits than its factorization.

115164553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14596 (or 14589 counting only the distinct ones).

The product of its digits is 9000, while the sum is 31.

The square root of 115164553 is about 10731.4748753375. The cubic root of 115164553 is about 486.5262480878.

The spelling of 115164553 in words is "one hundred fifteen million, one hundred sixty-four thousand, five hundred fifty-three".

Divisors: 1 7 49 163 1141 7987 14419 100933 706531 2350297 16452079 115164553