Base | Representation |
---|---|
bin | 11101110101000… |
… | …10100000101011 |
3 | 122102211211112201 |
4 | 32322202200223 |
5 | 1003024223411 |
6 | 40455121031 |
7 | 6125614666 |
oct | 1672424053 |
9 | 572754481 |
10 | 250226731 |
11 | 119279057 |
12 | 6b973177 |
13 | 3cac1971 |
14 | 253386dd |
15 | 16e7b3c1 |
hex | eea282b |
250226731 has 8 divisors (see below), whose sum is σ = 261785664. Its totient is φ = 238927680.
The previous prime is 250226707. The next prime is 250226747. The reversal of 250226731 is 137622052.
250226731 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-250226731 is a prime.
It is a super-2 number, since 2×2502267312 = 125226833813892722, which contains 22 as substring.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 250226731.
It is not an unprimeable number, because it can be changed into a prime (250226701) 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, 63000 + ... + 66853.
It is an arithmetic number, because the mean of its divisors is an integer number (32723208).
Almost surely, 2250226731 is an apocalyptic number.
250226731 is a deficient number, since it is larger than the sum of its proper divisors (11558933).
250226731 is a wasteful number, since it uses less digits than its factorization.
250226731 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 129941.
The product of its (nonzero) digits is 5040, while the sum is 28.
The square root of 250226731 is about 15818.5565397099. The cubic root of 250226731 is about 630.1509095106.
Adding to 250226731 its reverse (137622052), we get a palindrome (387848783).
It can be divided in two parts, 250 and 226731, that added together give a cube (226981 = 613).
The spelling of 250226731 in words is "two hundred fifty million, two hundred twenty-six thousand, seven hundred thirty-one".
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