Base | Representation |
---|---|
bin | 111010010100… |
… | …011011110000 |
3 | 1001202201021000 |
4 | 322110123300 |
5 | 12403204143 |
6 | 1303402000 |
7 | 243642366 |
oct | 72243360 |
9 | 31681230 |
10 | 15288048 |
11 | 86a2156 |
12 | 5153300 |
13 | 32237a9 |
14 | 205d636 |
15 | 151ebd3 |
hex | e946f0 |
15288048 has 80 divisors (see below), whose sum is σ = 44957440. Its totient is φ = 4971456.
The previous prime is 15288047. The next prime is 15288059. The reversal of 15288048 is 84088251.
15288048 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (15288041) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18165 + ... + 18987.
It is an arithmetic number, because the mean of its divisors is an integer number (561968).
Almost surely, 215288048 is an apocalyptic number.
15288048 is a gapful number since it is divisible by the number (18) 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 15288048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22478720).
15288048 is an abundant number, since it is smaller than the sum of its proper divisors (29669392).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
15288048 is a wasteful number, since it uses less digits than its factorization.
15288048 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 883 (or 871 counting only the distinct ones).
The product of its (nonzero) digits is 20480, while the sum is 36.
The square root of 15288048 is about 3909.9933503780. The cubic root of 15288048 is about 248.1898476945.
The spelling of 15288048 in words is "fifteen million, two hundred eighty-eight thousand, forty-eight".
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