Base | Representation |
---|---|
bin | 1000111010100… |
… | …01000110001100 |
3 | 12012201021100012 |
4 | 10131101012030 |
5 | 123120443233 |
6 | 11230452352 |
7 | 1565425415 |
oct | 435210614 |
9 | 165637305 |
10 | 74781068 |
11 | 3923713a |
12 | 210640b8 |
13 | 12653a6b |
14 | 9d0880c |
15 | 6872548 |
hex | 475118c |
74781068 has 12 divisors (see below), whose sum is σ = 131066040. Its totient is φ = 37333632.
The previous prime is 74781067. The next prime is 74781071. The reversal of 74781068 is 86018747.
It is not an unprimeable number, because it can be changed into a prime (74781061) by changing a digit.
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, 11198 + ... + 16581.
It is an arithmetic number, because the mean of its divisors is an integer number (10922170).
Almost surely, 274781068 is an apocalyptic number.
It is an amenable number.
74781068 is a deficient number, since it is larger than the sum of its proper divisors (56284972).
74781068 is a wasteful number, since it uses less digits than its factorization.
74781068 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 28456 (or 28454 counting only the distinct ones).
The product of its (nonzero) digits is 75264, while the sum is 41.
The square root of 74781068 is about 8647.6047550752. The cubic root of 74781068 is about 421.3055896138.
The spelling of 74781068 in words is "seventy-four million, seven hundred eighty-one thousand, sixty-eight".
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