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115120852 = 2271133089
BaseRepresentation
bin1101101110010…
…01101011010100
322000121202010021
412313021223110
5213432331402
615231234524
72565340210
oct667115324
9260552107
10115120852
1159a8a000
1232678a44
131ab09162
1411409940
15a18ed37
hex6dc9ad4

115120852 has 48 divisors (see below), whose sum is σ = 253330560. Its totient is φ = 44837760.

The previous prime is 115120849. The next prime is 115120853. The reversal of 115120852 is 258021511.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115120853) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35724 + ... + 38812.

It is an arithmetic number, because the mean of its divisors is an integer number (5277720).

Almost surely, 2115120852 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 115120852, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (126665280).

115120852 is an abundant number, since it is smaller than the sum of its proper divisors (138209708).

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

115120852 is a wasteful number, since it uses less digits than its factorization.

115120852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3133 (or 3109 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 25.

The square root of 115120852 is about 10729.4385687230. The cubic root of 115120852 is about 486.4647002911.

The spelling of 115120852 in words is "one hundred fifteen million, one hundred twenty thousand, eight hundred fifty-two".

Divisors: 1 2 4 7 11 14 22 28 44 77 121 154 242 308 484 847 1331 1694 2662 3089 3388 5324 6178 9317 12356 18634 21623 33979 37268 43246 67958 86492 135916 237853 373769 475706 747538 951412 1495076 2616383 4111459 5232766 8222918 10465532 16445836 28780213 57560426 115120852