Base | Representation |
---|---|
bin | 1000001100111… |
… | …10000101110000 |
3 | 11210110122200110 |
4 | 10012132011300 |
5 | 120103224401 |
6 | 10454421320 |
7 | 1463555412 |
oct | 406360560 |
9 | 153418613 |
10 | 68804976 |
11 | 35925219 |
12 | 1b061840 |
13 | 11340906 |
14 | 91d09b2 |
15 | 60919d6 |
hex | 419e170 |
68804976 has 20 divisors (see below), whose sum is σ = 177746312. Its totient is φ = 22934976.
The previous prime is 68804887. The next prime is 68804987. The reversal of 68804976 is 67940886.
It is a Harshad number since it is a multiple of its sum of digits (48), and also a Moran number because the ratio is a prime number: 1433437 = 68804976 / (6 + 8 + 8 + 0 + 4 + 9 + 7 + 6).
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 716671 + ... + 716766.
Almost surely, 268804976 is an apocalyptic number.
It is an amenable number.
68804976 is an abundant number, since it is smaller than the sum of its proper divisors (108941336).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
68804976 is a wasteful number, since it uses less digits than its factorization.
68804976 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1433448 (or 1433442 counting only the distinct ones).
The product of its (nonzero) digits is 580608, while the sum is 48.
The square root of 68804976 is about 8294.8764909431. The cubic root of 68804976 is about 409.7698013737.
The spelling of 68804976 in words is "sixty-eight million, eight hundred four thousand, nine hundred seventy-six".
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