Base | Representation |
---|---|
bin | 111011000100… |
… | …000100000100 |
3 | 1002010121212122 |
4 | 323010010010 |
5 | 12430430030 |
6 | 1311505112 |
7 | 245414231 |
oct | 73040404 |
9 | 32117778 |
10 | 15483140 |
11 | 8815792 |
12 | 5228198 |
13 | 329152a |
14 | 20b0788 |
15 | 155c8e5 |
hex | ec4104 |
15483140 has 48 divisors (see below), whose sum is σ = 34376832. Its totient is φ = 5846016.
The previous prime is 15483121. The next prime is 15483151. The reversal of 15483140 is 4138451.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44447 + ... + 44793.
It is an arithmetic number, because the mean of its divisors is an integer number (716184).
Almost surely, 215483140 is an apocalyptic number.
15483140 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 15483140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17188416).
15483140 is an abundant number, since it is smaller than the sum of its proper divisors (18893692).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
15483140 is a wasteful number, since it uses less digits than its factorization.
15483140 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 476 (or 474 counting only the distinct ones).
The product of its (nonzero) digits is 1920, while the sum is 26.
The square root of 15483140 is about 3934.8621322735. The cubic root of 15483140 is about 249.2411120204.
The spelling of 15483140 in words is "fifteen million, four hundred eighty-three thousand, one hundred forty".
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