Base | Representation |
---|---|
bin | 1000111100000… |
… | …11010011100010 |
3 | 12020002201110000 |
4 | 10132003103202 |
5 | 123144033342 |
6 | 11235120430 |
7 | 1600243116 |
oct | 436032342 |
9 | 166081400 |
10 | 74986722 |
11 | 393676a8 |
12 | 21143116 |
13 | 126c6555 |
14 | 9d5d746 |
15 | 68b344c |
hex | 47834e2 |
74986722 has 20 divisors (see below), whose sum is σ = 168026166. Its totient is φ = 24995520.
The previous prime is 74986669. The next prime is 74986727. The reversal of 74986722 is 22768947.
It can be written as a sum of positive squares in only one way, i.e., 57017601 + 17969121 = 7551^2 + 4239^2 .
It is not an unprimeable number, because it can be changed into a prime (74986727) by changing a digit.
It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 231279 + ... + 231602.
Almost surely, 274986722 is an apocalyptic number.
74986722 is an abundant number, since it is smaller than the sum of its proper divisors (93039444).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
74986722 is a wasteful number, since it uses less digits than its factorization.
74986722 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 462895 (or 462886 counting only the distinct ones).
The product of its digits is 338688, while the sum is 45.
The square root of 74986722 is about 8659.4873982240. The cubic root of 74986722 is about 421.6914442956.
The spelling of 74986722 in words is "seventy-four million, nine hundred eighty-six thousand, seven hundred twenty-two".
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