Base | Representation |
---|---|
bin | 11101111100000… |
… | …11111110010110 |
3 | 122111120202100101 |
4 | 32332003332112 |
5 | 1003243301410 |
6 | 40531004314 |
7 | 6136512262 |
oct | 1676037626 |
9 | 574522311 |
10 | 251150230 |
11 | 119849981 |
12 | 7013969a |
13 | 40056106 |
14 | 254d90a2 |
15 | 170aed3a |
hex | ef83f96 |
251150230 has 8 divisors (see below), whose sum is σ = 452070432. Its totient is φ = 100460088.
The previous prime is 251150219. The next prime is 251150233. The reversal of 251150230 is 32051152.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a junction number, because it is equal to n+sod(n) for n = 251150198 and 251150207.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (251150233) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12557502 + ... + 12557521.
It is an arithmetic number, because the mean of its divisors is an integer number (56508804).
Almost surely, 2251150230 is an apocalyptic number.
251150230 is a deficient number, since it is larger than the sum of its proper divisors (200920202).
251150230 is a wasteful number, since it uses less digits than its factorization.
251150230 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 25115030.
The product of its (nonzero) digits is 300, while the sum is 19.
The square root of 251150230 is about 15847.7200252907. The cubic root of 251150230 is about 630.9251796830.
The spelling of 251150230 in words is "two hundred fifty-one million, one hundred fifty thousand, two hundred thirty".
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