Base | Representation |
---|---|
bin | 1000001101101… |
… | …01011111000000 |
3 | 11210122112010111 |
4 | 10012311133000 |
5 | 120114311200 |
6 | 10500441104 |
7 | 1464434653 |
oct | 406653700 |
9 | 153575114 |
10 | 68900800 |
11 | 35990211 |
12 | 1b0a9194 |
13 | 11375407 |
14 | 921789a |
15 | 60b00ba |
hex | 41b57c0 |
68900800 has 42 divisors (see below), whose sum is σ = 169542968. Its totient is φ = 27559680.
The previous prime is 68900789. The next prime is 68900803. The reversal of 68900800 is 800986.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (68900803) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 19932 + ... + 23131.
Almost surely, 268900800 is an apocalyptic number.
It is an amenable number.
68900800 is an abundant number, since it is smaller than the sum of its proper divisors (100642168).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
68900800 is a wasteful number, since it uses less digits than its factorization.
68900800 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 43085 (or 43070 counting only the distinct ones).
The product of its (nonzero) digits is 3456, while the sum is 31.
The square root of 68900800 is about 8300.6505769126. The cubic root of 68900800 is about 409.9599405636.
The spelling of 68900800 in words is "sixty-eight million, nine hundred thousand, eight hundred".
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