Search a number
-
+
115445024 = 2543531583
BaseRepresentation
bin1101110000110…
…00110100100000
322001020012210122
412320120310200
5214023220044
615242215412
72601160262
oct670306440
9261205718
10115445024
115a190612
12327b4568
131abc0886
1411491b32
15a205dee
hex6e18d20

115445024 has 48 divisors (see below), whose sum is σ = 237105792. Its totient is φ = 55281408.

The previous prime is 115445017. The next prime is 115445041. The reversal of 115445024 is 420544511.

It is a junction number, because it is equal to n+sod(n) for n = 115444984 and 115445002.

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 7 ways as a sum of consecutive naturals, for example, 72137 + ... + 73719.

It is an arithmetic number, because the mean of its divisors is an integer number (4939704).

Almost surely, 2115445024 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 115445024, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (118552896).

115445024 is an abundant number, since it is smaller than the sum of its proper divisors (121660768).

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

115445024 is a wasteful number, since it uses less digits than its factorization.

115445024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1689 (or 1681 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 26.

The square root of 115445024 is about 10744.5346106753. The cubic root of 115445024 is about 486.9208888412.

Adding to 115445024 its reverse (420544511), we get a palindrome (535989535).

The spelling of 115445024 in words is "one hundred fifteen million, four hundred forty-five thousand, twenty-four".

Divisors: 1 2 4 8 16 32 43 53 86 106 172 212 344 424 688 848 1376 1583 1696 2279 3166 4558 6332 9116 12664 18232 25328 36464 50656 68069 72928 83899 136138 167798 272276 335596 544552 671192 1089104 1342384 2178208 2684768 3607657 7215314 14430628 28861256 57722512 115445024