Base | Representation |
---|---|
bin | 1000111100000… |
… | …01110011101110 |
3 | 12020002102000220 |
4 | 10132001303232 |
5 | 123143334330 |
6 | 11235032210 |
7 | 1600216206 |
oct | 436016356 |
9 | 166072026 |
10 | 74980590 |
11 | 39363033 |
12 | 2113b666 |
13 | 126c3819 |
14 | 9d5b406 |
15 | 68b1710 |
hex | 4781cee |
74980590 has 32 divisors (see below), whose sum is σ = 182907936. Its totient is φ = 19666560.
The previous prime is 74980583. The next prime is 74980627. The reversal of 74980590 is 9508947.
It is a Curzon number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18657 + ... + 22316.
It is an arithmetic number, because the mean of its divisors is an integer number (5715873).
Almost surely, 274980590 is an apocalyptic number.
74980590 is an abundant number, since it is smaller than the sum of its proper divisors (107927346).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
74980590 is a wasteful number, since it uses less digits than its factorization.
74980590 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 41044.
The product of its (nonzero) digits is 90720, while the sum is 42.
The square root of 74980590 is about 8659.1333284573. The cubic root of 74980590 is about 421.6799494497.
The spelling of 74980590 in words is "seventy-four million, nine hundred eighty thousand, five hundred ninety".
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