Base | Representation |
---|---|
bin | 11110001001000… |
… | …01001001111100 |
3 | 122121202201212111 |
4 | 33010201021330 |
5 | 1004211430440 |
6 | 41031143404 |
7 | 6160061332 |
oct | 1704411174 |
9 | 577681774 |
10 | 252842620 |
11 | 11a7a5448 |
12 | 70814b64 |
13 | 404c9524 |
14 | 25819b52 |
15 | 172e64ea |
hex | f12127c |
252842620 has 12 divisors (see below), whose sum is σ = 530969544. Its totient is φ = 101137040.
The previous prime is 252842567. The next prime is 252842627. The reversal of 252842620 is 26248252.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (252842627) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6321046 + ... + 6321085.
It is an arithmetic number, because the mean of its divisors is an integer number (44247462).
Almost surely, 2252842620 is an apocalyptic number.
252842620 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
252842620 is an abundant number, since it is smaller than the sum of its proper divisors (278126924).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
252842620 is a wasteful number, since it uses less digits than its factorization.
252842620 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 12642140 (or 12642138 counting only the distinct ones).
The product of its (nonzero) digits is 15360, while the sum is 31.
The square root of 252842620 is about 15901.0257530764. The cubic root of 252842620 is about 632.3391832865.
The spelling of 252842620 in words is "two hundred fifty-two million, eight hundred forty-two thousand, six hundred twenty".
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