Base | Representation |
---|---|
bin | 11110000111111… |
… | …00010101010000 |
3 | 122121111001222021 |
4 | 33003330111100 |
5 | 1004142114132 |
6 | 41024021224 |
7 | 6155562523 |
oct | 1703742520 |
9 | 577431867 |
10 | 252691792 |
11 | 11a7020a1 |
12 | 70761814 |
13 | 40475992 |
14 | 257babba |
15 | 172b6997 |
hex | f0fc550 |
252691792 has 40 divisors (see below), whose sum is σ = 518072000. Its totient is φ = 119066112.
The previous prime is 252691783. The next prime is 252691793. The reversal of 252691792 is 297196252.
252691792 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (252691793) 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, 58408 + ... + 62584.
It is an arithmetic number, because the mean of its divisors is an integer number (12951800).
Almost surely, 2252691792 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 252691792, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (259036000).
252691792 is an abundant number, since it is smaller than the sum of its proper divisors (265380208).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
252691792 is a wasteful number, since it uses less digits than its factorization.
252691792 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4403 (or 4397 counting only the distinct ones).
The product of its digits is 136080, while the sum is 43.
The square root of 252691792 is about 15896.2823326714. The cubic root of 252691792 is about 632.2134220189.
The spelling of 252691792 in words is "two hundred fifty-two million, six hundred ninety-one thousand, seven hundred ninety-two".
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