Base | Representation |
---|---|
bin | 1000001101101… |
… | …01010111000100 |
3 | 11210122111102200 |
4 | 10012311113010 |
5 | 120114302132 |
6 | 10500434500 |
7 | 1464433326 |
oct | 406652704 |
9 | 153574380 |
10 | 68900292 |
11 | 3598a89a |
12 | 1b0a8a30 |
13 | 11375106 |
14 | 9217616 |
15 | 60aed7c |
hex | 41b55c4 |
68900292 has 36 divisors (see below), whose sum is σ = 176270640. Its totient is φ = 22689072.
The previous prime is 68900291. The next prime is 68900297. The reversal of 68900292 is 29200986.
It is a tau number, because it is divible by the number of its divisors (36).
It is a Harshad number since it is a multiple of its sum of digits (36).
It is not an unprimeable number, because it can be changed into a prime (68900291) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8542 + ... + 14517.
Almost surely, 268900292 is an apocalyptic number.
It is an amenable number.
68900292 is an abundant number, since it is smaller than the sum of its proper divisors (107370348).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
68900292 is a wasteful number, since it uses less digits than its factorization.
68900292 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 23152 (or 23147 counting only the distinct ones).
The product of its (nonzero) digits is 15552, while the sum is 36.
The square root of 68900292 is about 8300.6199768451. The cubic root of 68900292 is about 409.9589330273.
The spelling of 68900292 in words is "sixty-eight million, nine hundred thousand, two hundred ninety-two".
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