Base | Representation |
---|---|
bin | 1000001110001… |
… | …10010101000000 |
3 | 11210210000202202 |
4 | 10013012111000 |
5 | 120124013132 |
6 | 10502132332 |
7 | 1465143053 |
oct | 407062500 |
9 | 153700682 |
10 | 68969792 |
11 | 35a28031 |
12 | 1b1210a8 |
13 | 1139a938 |
14 | 9234a9a |
15 | 60c5762 |
hex | 41c6540 |
68969792 has 28 divisors (see below), whose sum is σ = 141280896. Its totient is φ = 33371520.
The previous prime is 68969783. The next prime is 68969809. The reversal of 68969792 is 29796986.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15398 + ... + 19365.
Almost surely, 268969792 is an apocalyptic number.
68969792 is a gapful number since it is divisible by the number (62) formed by its first and last digit.
It is an amenable number.
68969792 is an abundant number, since it is smaller than the sum of its proper divisors (72311104).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
68969792 is a wasteful number, since it uses less digits than its factorization.
68969792 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 34806 (or 34796 counting only the distinct ones).
The product of its digits is 2939328, while the sum is 56.
The square root of 68969792 is about 8304.8053559370. The cubic root of 68969792 is about 410.0967291108.
The spelling of 68969792 in words is "sixty-eight million, nine hundred sixty-nine thousand, seven hundred ninety-two".
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