Base | Representation |
---|---|
bin | 1000001101111… |
… | …10011100011100 |
3 | 11210201101110202 |
4 | 10012332130130 |
5 | 120122000000 |
6 | 10501323032 |
7 | 1464646652 |
oct | 406763434 |
9 | 153641422 |
10 | 68937500 |
11 | 35a05845 |
12 | 1b106478 |
13 | 11389028 |
14 | 9226dd2 |
15 | 60badd5 |
hex | 41be71c |
68937500 has 42 divisors (see below), whose sum is σ = 150935568. Its totient is φ = 27550000.
The previous prime is 68937493. The next prime is 68937527. The reversal of 68937500 is 573986.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 61949 + ... + 63051.
It is an arithmetic number, because the mean of its divisors is an integer number (3593704).
Almost surely, 268937500 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 68937500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (75467784).
68937500 is an abundant number, since it is smaller than the sum of its proper divisors (81998068).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
68937500 is an equidigital number, since it uses as much as digits as its factorization.
68937500 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1137 (or 1110 counting only the distinct ones).
The product of its (nonzero) digits is 45360, while the sum is 38.
The square root of 68937500 is about 8302.8609527078. The cubic root of 68937500 is about 410.0327160092.
The spelling of 68937500 in words is "sixty-eight million, nine hundred thirty-seven thousand, five hundred".
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