Base | Representation |
---|---|
bin | 11101110111011… |
… | …00000100000000 |
3 | 122110102010210211 |
4 | 32323230010000 |
5 | 1003113344000 |
6 | 40505403504 |
7 | 6131311222 |
oct | 1673540400 |
9 | 573363724 |
10 | 250528000 |
11 | 119464438 |
12 | 6ba99594 |
13 | 3cb98b28 |
14 | 253b6412 |
15 | 16eda7ba |
hex | eeec100 |
250528000 has 72 divisors (see below), whose sum is σ = 624176280. Its totient is φ = 100198400.
The previous prime is 250527971. The next prime is 250528009. The reversal of 250528000 is 825052.
It can be written as a sum of positive squares in 4 ways, for example, as 41783296 + 208744704 = 6464^2 + 14448^2 .
It is a nialpdrome in base 16.
It is not an unprimeable number, because it can be changed into a prime (250528009) 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, 28086 + ... + 35914.
It is an arithmetic number, because the mean of its divisors is an integer number (8669115).
Almost surely, 2250528000 is an apocalyptic number.
250528000 is a gapful number since it is divisible by the number (20) 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 250528000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (312088140).
250528000 is an abundant number, since it is smaller than the sum of its proper divisors (373648280).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
250528000 is an frugal number, since it uses more digits than its factorization.
250528000 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7860 (or 7836 counting only the distinct ones).
The product of its (nonzero) digits is 800, while the sum is 22.
The square root of 250528000 is about 15828.0763202608. The cubic root of 250528000 is about 630.4037053043.
The spelling of 250528000 in words is "two hundred fifty million, five hundred twenty-eight thousand".
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