Base | Representation |
---|---|
bin | 1000001100110… |
… | …00000000010000 |
3 | 11210102101111012 |
4 | 10012120000100 |
5 | 120101430143 |
6 | 10454110052 |
7 | 1463422631 |
oct | 406300020 |
9 | 153371435 |
10 | 68780048 |
11 | 35908517 |
12 | 1b04b328 |
13 | 1133246c |
14 | 91c5888 |
15 | 6089418 |
hex | 4198010 |
68780048 has 20 divisors (see below), whose sum is σ = 136361808. Its totient is φ = 33589920.
The previous prime is 68780009. The next prime is 68780053. The reversal of 68780048 is 84008786.
It is a happy number.
It is a junction number, because it is equal to n+sod(n) for n = 68779987 and 68780014.
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, 49298 + ... + 50673.
Almost surely, 268780048 is an apocalyptic number.
It is an amenable number.
68780048 is a deficient number, since it is larger than the sum of its proper divisors (67581760).
68780048 is a wasteful number, since it uses less digits than its factorization.
68780048 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 100022 (or 100016 counting only the distinct ones).
The product of its (nonzero) digits is 86016, while the sum is 41.
The square root of 68780048 is about 8293.3737405232. The cubic root of 68780048 is about 409.7203089482.
The spelling of 68780048 in words is "sixty-eight million, seven hundred eighty thousand, forty-eight".
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