Search a number
-
+
115445928 = 23313228463
BaseRepresentation
bin1101110000110…
…01000010101000
322001020021001010
412320121002220
5214023232203
615242223520
72601163023
oct670310250
9261207033
10115445928
115a191264
12327b4ba0
131abc1100
14114921ba
15a206303
hex6e190a8

115445928 has 48 divisors (see below), whose sum is σ = 312534720. Its totient is φ = 35520576.

The previous prime is 115445917. The next prime is 115445951. The reversal of 115445928 is 829544511.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10176 + ... + 18287.

It is an arithmetic number, because the mean of its divisors is an integer number (6511140).

Almost surely, 2115445928 is an apocalyptic number.

It is an amenable number.

115445928 is an abundant number, since it is smaller than the sum of its proper divisors (197088792).

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

115445928 is a wasteful number, since it uses less digits than its factorization.

115445928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28498 (or 28481 counting only the distinct ones).

The product of its digits is 57600, while the sum is 39.

The square root of 115445928 is about 10744.5766784923. The cubic root of 115445928 is about 486.9221597934.

The spelling of 115445928 in words is "one hundred fifteen million, four hundred forty-five thousand, nine hundred twenty-eight".

Divisors: 1 2 3 4 6 8 12 13 24 26 39 52 78 104 156 169 312 338 507 676 1014 1352 2028 4056 28463 56926 85389 113852 170778 227704 341556 370019 683112 740038 1110057 1480076 2220114 2960152 4440228 4810247 8880456 9620494 14430741 19240988 28861482 38481976 57722964 115445928