Base | Representation |
---|---|
bin | 11101110101000… |
… | …00111011011010 |
3 | 122102211111122200 |
4 | 32322200323122 |
5 | 1003024022000 |
6 | 40455031030 |
7 | 6125560050 |
oct | 1672407332 |
9 | 572744580 |
10 | 250220250 |
11 | 1192741a5 |
12 | 6b96b476 |
13 | 3cabba27 |
14 | 253361d0 |
15 | 16e79500 |
hex | eea0eda |
250220250 has 96 divisors (see below), whose sum is σ = 773300736. Its totient is φ = 57189600.
The previous prime is 250220237. The next prime is 250220279. The reversal of 250220250 is 52022052.
It is a super-2 number, since 2×2502202502 = 125220347020125000, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is an unprimeable number.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 7807 + ... + 23693.
It is an arithmetic number, because the mean of its divisors is an integer number (8055216).
Almost surely, 2250220250 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 250220250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (386650368).
250220250 is an abundant number, since it is smaller than the sum of its proper divisors (523080486).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
250220250 is a wasteful number, since it uses less digits than its factorization.
250220250 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 15917 (or 15904 counting only the distinct ones).
The product of its (nonzero) digits is 400, while the sum is 18.
The square root of 250220250 is about 15818.3516840409. The cubic root of 250220250 is about 630.1454690536.
The spelling of 250220250 in words is "two hundred fifty million, two hundred twenty thousand, two hundred fifty".
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