Base | Representation |
---|---|
bin | 1000111001110… |
… | …11110110000010 |
3 | 12012112211221010 |
4 | 10130323312002 |
5 | 123110202033 |
6 | 11224541350 |
7 | 1564613550 |
oct | 434736602 |
9 | 165484833 |
10 | 74694018 |
11 | 391877a3 |
12 | 21021856 |
13 | 12623259 |
14 | 9cc4bd0 |
15 | 6856863 |
hex | 473bd82 |
74694018 has 32 divisors (see below), whose sum is σ = 178154496. Its totient is φ = 20413008.
The previous prime is 74694001. The next prime is 74694019. The reversal of 74694018 is 81049647.
It is a happy number.
It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is not an unprimeable number, because it can be changed into a prime (74694019) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37696 + ... + 39627.
It is an arithmetic number, because the mean of its divisors is an integer number (5567328).
Almost surely, 274694018 is an apocalyptic number.
74694018 is an abundant number, since it is smaller than the sum of its proper divisors (103460478).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
74694018 is a wasteful number, since it uses less digits than its factorization.
74694018 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 77358.
The product of its (nonzero) digits is 48384, while the sum is 39.
The square root of 74694018 is about 8642.5701038522. The cubic root of 74694018 is about 421.1420504885.
The spelling of 74694018 in words is "seventy-four million, six hundred ninety-four thousand, eighteen".
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