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115039680 = 26357171953
BaseRepresentation
bin1101101101101…
…01110111000000
322000110121202220
412312311313000
5213422232210
615225411040
72564551440
oct666656700
9260417686
10115039680
1159a34018
1232639a80
131aaab222
14113c8120
15a175c70
hex6db5dc0

115039680 has 448 divisors, whose sum is σ = 474024960. Its totient is φ = 23003136.

The previous prime is 115039657. The next prime is 115039681. The reversal of 115039680 is 86930511.

It is a tau number, because it is divible by the number of its divisors (448).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115039681) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2170534 + ... + 2170586.

Almost surely, 2115039680 is an apocalyptic number.

115039680 is a gapful number since it is divisible by the number (10) 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 115039680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (237012480).

115039680 is an abundant number, since it is smaller than the sum of its proper divisors (358985280).

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

115039680 is a wasteful number, since it uses less digits than its factorization.

115039680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116 (or 106 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 33.

The square root of 115039680 is about 10725.6552247404. The cubic root of 115039680 is about 486.3503375830.

The spelling of 115039680 in words is "one hundred fifteen million, thirty-nine thousand, six hundred eighty".