Base | Representation |
---|---|
bin | 111010000111… |
… | …001111111000 |
3 | 1001122222011201 |
4 | 322013033320 |
5 | 12344442130 |
6 | 1302303544 |
7 | 243326053 |
oct | 72071770 |
9 | 31588151 |
10 | 15234040 |
11 | 8665618 |
12 | 5127bb4 |
13 | 3205033 |
14 | 2047a9a |
15 | 150dbca |
hex | e873f8 |
15234040 has 64 divisors (see below), whose sum is σ = 37208160. Its totient is φ = 5591040.
The previous prime is 15234017. The next prime is 15234059. The reversal of 15234040 is 4043251.
It is a junction number, because it is equal to n+sod(n) for n = 15233999 and 15234017.
It is a congruent number.
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, 28980 + ... + 29500.
Almost surely, 215234040 is an apocalyptic number.
15234040 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 15234040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18604080).
15234040 is an abundant number, since it is smaller than the sum of its proper divisors (21974120).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
15234040 is a wasteful number, since it uses less digits than its factorization.
15234040 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 592 (or 588 counting only the distinct ones).
The product of its (nonzero) digits is 480, while the sum is 19.
The square root of 15234040 is about 3903.0808344179. The cubic root of 15234040 is about 247.8972432429.
Adding to 15234040 its reverse (4043251), we get a palindrome (19277291).
The spelling of 15234040 in words is "fifteen million, two hundred thirty-four thousand, forty".
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