Base | Representation |
---|---|
bin | 11110000101110… |
… | …00010000001010 |
3 | 122120221220110100 |
4 | 33002320100022 |
5 | 1004104203223 |
6 | 41014030230 |
7 | 6153321531 |
oct | 1702702012 |
9 | 576856410 |
10 | 252412938 |
11 | 11a531638 |
12 | 70648376 |
13 | 403a8a8b |
14 | 25747318 |
15 | 1725e043 |
hex | f0b840a |
252412938 has 24 divisors (see below), whose sum is σ = 552313476. Its totient is φ = 83304000.
The previous prime is 252412931. The next prime is 252412973. The reversal of 252412938 is 839214252.
It is a happy number.
252412938 is a `hidden beast` number, since 2 + 524 + 129 + 3 + 8 = 666.
It can be written as a sum of positive squares in 2 ways, for example, as 251761689 + 651249 = 15867^2 + 807^2 .
It is not an unprimeable number, because it can be changed into a prime (252412931) 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 11 ways as a sum of consecutive naturals, for example, 67603 + ... + 71238.
Almost surely, 2252412938 is an apocalyptic number.
252412938 is an abundant number, since it is smaller than the sum of its proper divisors (299900538).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
252412938 is a wasteful number, since it uses less digits than its factorization.
252412938 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 138950 (or 138947 counting only the distinct ones).
The product of its digits is 34560, while the sum is 36.
The square root of 252412938 is about 15887.5088670314. The cubic root of 252412938 is about 631.9807800730.
The spelling of 252412938 in words is "two hundred fifty-two million, four hundred twelve thousand, nine hundred thirty-eight".
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