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115887856 = 2471735981
BaseRepresentation
bin1101110100001…
…00111011110000
322002001201020211
412322010323300
5214131402411
615255513504
72605013320
oct672047360
9262051224
10115887856
115a463297
1232988894
131b0172c6
1411569280
15a292221
hex6e84ef0

115887856 has 40 divisors (see below), whose sum is σ = 258135264. Its totient is φ = 49370880.

The previous prime is 115887851. The next prime is 115887883. The reversal of 115887856 is 658788511.

It is a happy number.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115887851) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16386 + ... + 22366.

Almost surely, 2115887856 is an apocalyptic number.

115887856 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 115887856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (129067632).

115887856 is an abundant number, since it is smaller than the sum of its proper divisors (142247408).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

115887856 is a wasteful number, since it uses less digits than its factorization.

115887856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6169 (or 6163 counting only the distinct ones).

The product of its digits is 537600, while the sum is 49.

The square root of 115887856 is about 10765.1222008856. The cubic root of 115887856 is about 487.5426827410.

The spelling of 115887856 in words is "one hundred fifteen million, eight hundred eighty-seven thousand, eight hundred fifty-six".

Divisors: 1 2 4 7 8 14 16 28 56 112 173 346 692 1211 1384 2422 2768 4844 5981 9688 11962 19376 23924 41867 47848 83734 95696 167468 334936 669872 1034713 2069426 4138852 7242991 8277704 14485982 16555408 28971964 57943928 115887856