Base | Representation |
---|---|
bin | 1000001101110… |
… | …01000000110100 |
3 | 11210200020221202 |
4 | 10012321000310 |
5 | 120120242002 |
6 | 10501032032 |
7 | 1464525050 |
oct | 406710064 |
9 | 153606852 |
10 | 68915252 |
11 | 359a005a |
12 | 1b0b5618 |
13 | 1137bb73 |
14 | 921cc60 |
15 | 60b4502 |
hex | 41b9034 |
68915252 has 24 divisors (see below), whose sum is σ = 142584960. Its totient is φ = 28516320.
The previous prime is 68915243. The next prime is 68915257. The reversal of 68915252 is 25251986.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (68915257) 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, 41624 + ... + 43247.
It is an arithmetic number, because the mean of its divisors is an integer number (5941040).
Almost surely, 268915252 is an apocalyptic number.
It is an amenable number.
68915252 is an abundant number, since it is smaller than the sum of its proper divisors (73669708).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
68915252 is a wasteful number, since it uses less digits than its factorization.
68915252 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 84911 (or 84909 counting only the distinct ones).
The product of its digits is 43200, while the sum is 38.
The square root of 68915252 is about 8301.5210654434. The cubic root of 68915252 is about 409.9886017057.
The spelling of 68915252 in words is "sixty-eight million, nine hundred fifteen thousand, two hundred fifty-two".
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