Base | Representation |
---|---|
bin | 11110000100011… |
… | …11010000100100 |
3 | 122120122101010110 |
4 | 33002033100210 |
5 | 1004033320103 |
6 | 41010253020 |
7 | 6152022150 |
oct | 1702172044 |
9 | 576571113 |
10 | 252245028 |
11 | 11a427472 |
12 | 70587170 |
13 | 4034a519 |
14 | 25702060 |
15 | 17229403 |
hex | f08f424 |
252245028 has 24 divisors (see below), whose sum is σ = 672653632. Its totient is φ = 72069984.
The previous prime is 252245023. The next prime is 252245029. The reversal of 252245028 is 820542252.
It is a junction number, because it is equal to n+sod(n) for n = 252244986 and 252245004.
It is not an unprimeable number, because it can be changed into a prime (252245023) 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, 1501375 + ... + 1501542.
Almost surely, 2252245028 is an apocalyptic number.
252245028 is a gapful number since it is divisible by the number (28) formed by its first and last digit.
It is an amenable number.
252245028 is an abundant number, since it is smaller than the sum of its proper divisors (420408604).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
252245028 is a wasteful number, since it uses less digits than its factorization.
252245028 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3002931 (or 3002929 counting only the distinct ones).
The product of its (nonzero) digits is 12800, while the sum is 30.
The square root of 252245028 is about 15882.2236478397. The cubic root of 252245028 is about 631.8406136821.
The spelling of 252245028 in words is "two hundred fifty-two million, two hundred forty-five thousand, twenty-eight".
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