| Base | Representation |
|---|---|
| bin | 111100111111… |
| … | …110100100000 |
| 3 | 1010002101020000 |
| 4 | 330333310200 |
| 5 | 13043140143 |
| 6 | 1330420000 |
| 7 | 252625134 |
| oct | 74776440 |
| 9 | 33071200 |
| 10 | 15990048 |
| 11 | 9031618 |
| 12 | 5431600 |
| 13 | 340b189 |
| 14 | 21a33c4 |
| 15 | 160cbd3 |
| hex | f3fd20 |
15990048 has 120 divisors (see below), whose sum is σ = 48787200. Its totient is φ = 5132160.
The previous prime is 15990043. The next prime is 15990053. The reversal of 15990048 is 84009951.
It is an interprime number because it is at equal distance from previous prime (15990043) and next prime (15990053).
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a junction number, because it is equal to n+sod(n) for n = 15989994 and 15990021.
It is not an unprimeable number, because it can be changed into a prime (15990043) by changing a digit.
It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 80253 + ... + 80451.
It is an arithmetic number, because the mean of its divisors is an integer number (406560).
Almost surely, 215990048 is an apocalyptic number.
15990048 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 15990048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24393600).
15990048 is an abundant number, since it is smaller than the sum of its proper divisors (32797152).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
15990048 is a wasteful number, since it uses less digits than its factorization.
15990048 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 252 (or 235 counting only the distinct ones).
The product of its (nonzero) digits is 12960, while the sum is 36.
The square root of 15990048 is about 3998.7558064978. The cubic root of 15990048 is about 251.9319544170.
Adding to 15990048 its product of nonzero digits (12960), we get a cube (16003008 = 2523).
Adding to 15990048 its reverse (84009951), we get a palindrome (99999999).
The spelling of 15990048 in words is "fifteen million, nine hundred ninety thousand, forty-eight".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.070 sec. • engine limits •