Base | Representation |
---|---|
bin | 1101110000110… |
… | …10011010101000 |
3 | 22001020112202201 |
4 | 12320122122220 |
5 | 214023422220 |
6 | 15242305544 |
7 | 2601215320 |
oct | 670323250 |
9 | 261215681 |
10 | 115451560 |
11 | 5a195514 |
12 | 327b82b4 |
13 | 1abc3843 |
14 | 11494280 |
15 | a207d0a |
hex | 6e1a6a8 |
115451560 has 96 divisors (see below), whose sum is σ = 305303040. Its totient is φ = 38489472.
The previous prime is 115451549. The next prime is 115451561. The reversal of 115451560 is 65154511.
It is a happy number.
It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.
It is a Harshad number since it is a multiple of its sum of digits (28).
It is not an unprimeable number, because it can be changed into a prime (115451561) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 517609 + ... + 517831.
It is an arithmetic number, because the mean of its divisors is an integer number (3180240).
Almost surely, 2115451560 is an apocalyptic number.
115451560 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 115451560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (152651520).
115451560 is an abundant number, since it is smaller than the sum of its proper divisors (189851480).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
115451560 is a wasteful number, since it uses less digits than its factorization.
115451560 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 327 (or 280 counting only the distinct ones).
The product of its (nonzero) digits is 3000, while the sum is 28.
The square root of 115451560 is about 10744.8387610052. The cubic root of 115451560 is about 486.9300777889.
The spelling of 115451560 in words is "one hundred fifteen million, four hundred fifty-one thousand, five hundred sixty".
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