Base | Representation |
---|---|
bin | 111001011000… |
… | …100110011100 |
3 | 1001022021002010 |
4 | 321120212130 |
5 | 12322333342 |
6 | 1254231220 |
7 | 241602030 |
oct | 71304634 |
9 | 31267063 |
10 | 15042972 |
11 | 854500a |
12 | 5055510 |
13 | 3169089 |
14 | 1dd81c0 |
15 | 14c229c |
hex | e5899c |
15042972 has 24 divisors (see below), whose sum is σ = 40114816. Its totient is φ = 4297968.
The previous prime is 15042971. The next prime is 15043001. The reversal of 15042972 is 27924051.
15042972 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (15042971) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 89458 + ... + 89625.
Almost surely, 215042972 is an apocalyptic number.
15042972 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
15042972 is an abundant number, since it is smaller than the sum of its proper divisors (25071844).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
15042972 is a wasteful number, since it uses less digits than its factorization.
15042972 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 179097 (or 179095 counting only the distinct ones).
The product of its (nonzero) digits is 5040, while the sum is 30.
The square root of 15042972 is about 3878.5270399986. The cubic root of 15042972 is about 246.8564897087.
The spelling of 15042972 in words is "fifteen million, forty-two thousand, nine hundred seventy-two".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.067 sec. • engine limits •