Base | Representation |
---|---|
bin | 1001010011010… |
… | …11100001010100 |
3 | 12102211120221020 |
4 | 10221223201110 |
5 | 124434110103 |
6 | 11424321140 |
7 | 1635200241 |
oct | 451534124 |
9 | 172746836 |
10 | 78035028 |
11 | 40059965 |
12 | 221731b0 |
13 | 13222b96 |
14 | a5145c8 |
15 | 6cb6753 |
hex | 4a6b854 |
78035028 has 12 divisors (see below), whose sum is σ = 182081760. Its totient is φ = 26011672.
The previous prime is 78035011. The next prime is 78035039. The reversal of 78035028 is 82053087.
It is a tau number, because it is divible by the number of its divisors (12).
It is a self number, because there is not a number n which added to its sum of digits gives 78035028.
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, 3251448 + ... + 3251471.
It is an arithmetic number, because the mean of its divisors is an integer number (15173480).
Almost surely, 278035028 is an apocalyptic number.
It is an amenable number.
78035028 is an abundant number, since it is smaller than the sum of its proper divisors (104046732).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
78035028 is a wasteful number, since it uses less digits than its factorization.
78035028 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6502926 (or 6502924 counting only the distinct ones).
The product of its (nonzero) digits is 13440, while the sum is 33.
The square root of 78035028 is about 8833.7437137377. The cubic root of 78035028 is about 427.3298170119.
The spelling of 78035028 in words is "seventy-eight million, thirty-five thousand, twenty-eight".
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