Base | Representation |
---|---|
bin | 1000001101111… |
… | …10101100000100 |
3 | 11210201102211210 |
4 | 10012332230010 |
5 | 120122013000 |
6 | 10501331420 |
7 | 1464652611 |
oct | 406765404 |
9 | 153642753 |
10 | 68938500 |
11 | 35a06574 |
12 | 1b106b70 |
13 | 11389617 |
14 | 9227508 |
15 | 60bb350 |
hex | 41beb04 |
68938500 has 48 divisors (see below), whose sum is σ = 200753280. Its totient is φ = 18383200.
The previous prime is 68938487. The next prime is 68938501. The reversal of 68938500 is 583986.
It is not an unprimeable number, because it can be changed into a prime (68938501) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21480 + ... + 24479.
It is an arithmetic number, because the mean of its divisors is an integer number (4182360).
Almost surely, 268938500 is an apocalyptic number.
68938500 is a gapful number since it is divisible by the number (60) formed by its first and last digit.
It is an amenable number.
68938500 is an abundant number, since it is smaller than the sum of its proper divisors (131814780).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
68938500 is a wasteful number, since it uses less digits than its factorization.
68938500 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 45981 (or 45969 counting only the distinct ones).
The product of its (nonzero) digits is 51840, while the sum is 39.
The square root of 68938500 is about 8302.9211726958. The cubic root of 68938500 is about 410.0346986299.
The spelling of 68938500 in words is "sixty-eight million, nine hundred thirty-eight thousand, five hundred".
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