Base | Representation |
---|---|
bin | 111001101011… |
… | …011000110000 |
3 | 1001110011122001 |
4 | 321223120300 |
5 | 12332314140 |
6 | 1300023344 |
7 | 242342254 |
oct | 71533060 |
9 | 31404561 |
10 | 15119920 |
11 | 8597902 |
12 | 5091b54 |
13 | 31950ca |
14 | 2018264 |
15 | 14d9e9a |
hex | e6b630 |
15119920 has 20 divisors (see below), whose sum is σ = 35154000. Its totient is φ = 6047936.
The previous prime is 15119917. The next prime is 15119921. The reversal of 15119920 is 2991151.
15119920 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a tau number, because it is divible by the number of its divisors (20).
It is a super-2 number, since 2×151199202 = 457223961612800, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (15119921) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 94420 + ... + 94579.
It is an arithmetic number, because the mean of its divisors is an integer number (1757700).
Almost surely, 215119920 is an apocalyptic number.
15119920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
15119920 is an abundant number, since it is smaller than the sum of its proper divisors (20034080).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
15119920 is a wasteful number, since it uses less digits than its factorization.
15119920 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 189012 (or 189006 counting only the distinct ones).
The product of its (nonzero) digits is 810, while the sum is 28.
The square root of 15119920 is about 3888.4341321411. The cubic root of 15119920 is about 247.2766818729.
The spelling of 15119920 in words is "fifteen million, one hundred nineteen thousand, nine hundred twenty".
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