Base | Representation |
---|---|
bin | 111100110000… |
… | …000000000000 |
3 | 1002222002100000 |
4 | 330300000000 |
5 | 13034101443 |
6 | 1325200000 |
7 | 252235203 |
oct | 74600000 |
9 | 32862300 |
10 | 15925248 |
11 | 8a97969 |
12 | 5400000 |
13 | 33b7831 |
14 | 218793a |
15 | 15e88d3 |
hex | f30000 |
15925248 has 102 divisors (see below), whose sum is σ = 47709844. Its totient is φ = 5308416.
The previous prime is 15925241. The next prime is 15925253. The reversal of 15925248 is 84252951.
It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.
It is a Jordan-Polya number, since it can be written as (4!)5 ⋅ 2!.
It is a super-2 number, since 2×159252482 = 507227047723008, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (36).
Its product of digits (28800) is a multiple of the sum of its prime divisors (5).
It is a nialpdrome in base 12 and base 16.
It is a zygodrome in base 2.
It is not an unprimeable number, because it can be changed into a prime (15925241) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5308415 + 5308416 + 5308417.
Almost surely, 215925248 is an apocalyptic number.
15925248 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 15925248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23854922).
15925248 is an abundant number, since it is smaller than the sum of its proper divisors (31784596).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
15925248 is an frugal number, since it uses more digits than its factorization.
15925248 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 47 (or 5 counting only the distinct ones).
The product of its digits is 28800, while the sum is 36.
The square root of 15925248 is about 3990.6450606387. The cubic root of 15925248 is about 251.5911738441.
The spelling of 15925248 in words is "fifteen million, nine hundred twenty-five thousand, two hundred forty-eight".
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