Base | Representation |
---|---|
bin | 1000111011111… |
… | …11001000000101 |
3 | 12020001211222001 |
4 | 10131333020011 |
5 | 123143011410 |
6 | 11234505301 |
7 | 1600142164 |
oct | 435771005 |
9 | 166054861 |
10 | 74969605 |
11 | 39355857 |
12 | 21135231 |
13 | 126bb819 |
14 | 9d573db |
15 | 68ad33a |
hex | 477f205 |
74969605 has 4 divisors (see below), whose sum is σ = 89963532. Its totient is φ = 59975680.
The previous prime is 74969599. The next prime is 74969621. The reversal of 74969605 is 50696947.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 56160036 + 18809569 = 7494^2 + 4337^2 .
It is not a de Polignac number, because 74969605 - 215 = 74936837 is a prime.
It is a Duffinian number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7496956 + ... + 7496965.
It is an arithmetic number, because the mean of its divisors is an integer number (22490883).
Almost surely, 274969605 is an apocalyptic number.
It is an amenable number.
74969605 is a deficient number, since it is larger than the sum of its proper divisors (14993927).
74969605 is a wasteful number, since it uses less digits than its factorization.
74969605 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 14993926.
The product of its (nonzero) digits is 408240, while the sum is 46.
The square root of 74969605 is about 8658.4990038690. The cubic root of 74969605 is about 421.6593557624.
The spelling of 74969605 in words is "seventy-four million, nine hundred sixty-nine thousand, six hundred five".
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