Base | Representation |
---|---|
bin | 11110100010010… |
… | …00110000000011 |
3 | 122211222210110201 |
4 | 33101020300003 |
5 | 1011033304111 |
6 | 41230110031 |
7 | 6230146360 |
oct | 1721106003 |
9 | 584883421 |
10 | 256150531 |
11 | 12165475a |
12 | 7194b317 |
13 | 410b7080 |
14 | 2603b467 |
15 | 1774b6c1 |
hex | f448c03 |
256150531 has 8 divisors (see below), whose sum is σ = 315262304. Its totient is φ = 202668480.
The previous prime is 256150523. The next prime is 256150541. The reversal of 256150531 is 135051652.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 256150531 - 23 = 256150523 is a prime.
It is a super-2 number, since 2×2561505312 = 131226189063163922, which contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 256150531.
It is not an unprimeable number, because it can be changed into a prime (256150541) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1407330 + ... + 1407511.
It is an arithmetic number, because the mean of its divisors is an integer number (39407788).
Almost surely, 2256150531 is an apocalyptic number.
256150531 is a deficient number, since it is larger than the sum of its proper divisors (59111773).
256150531 is a wasteful number, since it uses less digits than its factorization.
256150531 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2814861.
The product of its (nonzero) digits is 4500, while the sum is 28.
The square root of 256150531 is about 16004.7034024377. The cubic root of 256150531 is about 635.0848511244.
The spelling of 256150531 in words is "two hundred fifty-six million, one hundred fifty thousand, five hundred thirty-one".
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