Base | Representation |
---|---|
bin | 1000001100000… |
… | …10100100000000 |
3 | 11210020221000110 |
4 | 10012002210000 |
5 | 120041122344 |
6 | 10452151320 |
7 | 1462605606 |
oct | 406024400 |
9 | 153227013 |
10 | 68692224 |
11 | 35858537 |
12 | 1b008540 |
13 | 113014b3 |
14 | 91a1876 |
15 | 606d3b9 |
hex | 4182900 |
68692224 has 36 divisors (see below), whose sum is σ = 182823536. Its totient is φ = 22897152.
The previous prime is 68692207. The next prime is 68692229. The reversal of 68692224 is 42229686.
It is not an unprimeable number, because it can be changed into a prime (68692229) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43954 + ... + 45489.
Almost surely, 268692224 is an apocalyptic number.
68692224 is a gapful number since it is divisible by the number (64) formed by its first and last digit.
It is an amenable number.
68692224 is an abundant number, since it is smaller than the sum of its proper divisors (114131312).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
68692224 is an equidigital number, since it uses as much as digits as its factorization.
68692224 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 89462 (or 89448 counting only the distinct ones).
The product of its digits is 82944, while the sum is 39.
The square root of 68692224 is about 8288.0772197175. The cubic root of 68692224 is about 409.5458465190.
The spelling of 68692224 in words is "sixty-eight million, six hundred ninety-two thousand, two hundred twenty-four".
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