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115040828 = 2273191439
BaseRepresentation
bin1101101101101…
…10001000111100
322000110200100102
412312312020330
5213422301303
615225420232
72564555000
oct666661074
9260420312
10115040828
1159a34971
123263a678
131aaab8c6
14113c8700
15a176288
hex6db623c

115040828 has 48 divisors (see below), whose sum is σ = 236544000. Its totient is φ = 48933360.

The previous prime is 115040813. The next prime is 115040831. The reversal of 115040828 is 828040511.

It is a self number, because there is not a number n which added to its sum of digits gives 115040828.

It is a congruent number.

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, 261833 + ... + 262271.

It is an arithmetic number, because the mean of its divisors is an integer number (4928000).

Almost surely, 2115040828 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 115040828, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (118272000).

115040828 is an abundant number, since it is smaller than the sum of its proper divisors (121503172).

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

115040828 is a wasteful number, since it uses less digits than its factorization.

115040828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 655 (or 639 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 29.

The square root of 115040828 is about 10725.7087411509. The cubic root of 115040828 is about 486.3519553678.

The spelling of 115040828 in words is "one hundred fifteen million, forty thousand, eight hundred twenty-eight".

Divisors: 1 2 4 7 14 28 49 98 191 196 343 382 439 686 764 878 1337 1372 1756 2674 3073 5348 6146 9359 12292 18718 21511 37436 43022 65513 83849 86044 131026 150577 167698 262052 301154 335396 586943 602308 1173886 2347772 4108601 8217202 16434404 28760207 57520414 115040828