Base | Representation |
---|---|
bin | 1000111000001… |
… | …00010001100101 |
3 | 12012010021201000 |
4 | 10130010101211 |
5 | 123030411110 |
6 | 11220023513 |
7 | 1562645136 |
oct | 434042145 |
9 | 165107630 |
10 | 74466405 |
11 | 39041792 |
12 | 20b31b99 |
13 | 12573780 |
14 | 9c65c8d |
15 | 680e1c0 |
hex | 4704465 |
74466405 has 64 divisors (see below), whose sum is σ = 144023040. Its totient is φ = 36288000.
The previous prime is 74466383. The next prime is 74466407. The reversal of 74466405 is 50466447.
74466405 is a `hidden beast` number, since 7 + 4 + 4 + 6 + 640 + 5 = 666.
It is not a de Polignac number, because 74466405 - 29 = 74465893 is a prime.
It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.
It is a self number, because there is not a number n which added to its sum of digits gives 74466405.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (74466407) by changing a digit.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 264865 + ... + 265145.
It is an arithmetic number, because the mean of its divisors is an integer number (2250360).
Almost surely, 274466405 is an apocalyptic number.
It is an amenable number.
74466405 is a deficient number, since it is larger than the sum of its proper divisors (69556635).
74466405 is a wasteful number, since it uses less digits than its factorization.
74466405 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 459 (or 453 counting only the distinct ones).
The product of its (nonzero) digits is 80640, while the sum is 36.
The square root of 74466405 is about 8629.3919252749. The cubic root of 74466405 is about 420.7138370869.
The spelling of 74466405 in words is "seventy-four million, four hundred sixty-six thousand, four hundred five".
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