Base | Representation |
---|---|
bin | 1000111010011… |
… | …11100010011000 |
3 | 12012200221120121 |
4 | 10131033202120 |
5 | 123120242210 |
6 | 11230403024 |
7 | 1565400661 |
oct | 435174230 |
9 | 165627517 |
10 | 74774680 |
11 | 39232362 |
12 | 21060474 |
13 | 12650b96 |
14 | 9d06368 |
15 | 68706da |
hex | 474f898 |
74774680 has 32 divisors (see below), whose sum is σ = 170760240. Its totient is φ = 29462400.
The previous prime is 74774677. The next prime is 74774717. The reversal of 74774680 is 8647747.
It is a Smith number, since the sum of its digits (43) coincides with the sum of the digits of its prime factors.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11271 + ... + 16630.
Almost surely, 274774680 is an apocalyptic number.
It is an amenable number.
74774680 is an abundant number, since it is smaller than the sum of its proper divisors (95985560).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
74774680 is a wasteful number, since it uses less digits than its factorization.
74774680 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 27979 (or 27975 counting only the distinct ones).
The product of its (nonzero) digits is 263424, while the sum is 43.
The square root of 74774680 is about 8647.2353963565. The cubic root of 74774680 is about 421.2935929199.
The spelling of 74774680 in words is "seventy-four million, seven hundred seventy-four thousand, six hundred eighty".
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