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115049880 = 2332511171709
BaseRepresentation
bin1101101101110…
…00010110011000
322000111010202200
412312320112120
5213423044010
615225530200
72564623251
oct666702630
9260433680
10115049880
1159a40750
1232643960
131aab2a6a
14113cbb28
15a178cc0
hex6db8598

115049880 has 192 divisors, whose sum is σ = 432151200. Its totient is φ = 26234880.

The previous prime is 115049849. The next prime is 115049881. The reversal of 115049880 is 88940511.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115049881) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 66466 + ... + 68174.

Almost surely, 2115049880 is an apocalyptic number.

115049880 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 115049880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (216075600).

115049880 is an abundant number, since it is smaller than the sum of its proper divisors (317101320).

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

115049880 is a wasteful number, since it uses less digits than its factorization.

115049880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1754 (or 1747 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 36.

The square root of 115049880 is about 10726.1307096268. The cubic root of 115049880 is about 486.3647112520.

The spelling of 115049880 in words is "one hundred fifteen million, forty-nine thousand, eight hundred eighty".