Base | Representation |
---|---|
bin | 1000110111100… |
… | …11000011110101 |
3 | 12011222200222110 |
4 | 10123303003311 |
5 | 123021132033 |
6 | 11214321233 |
7 | 1562232435 |
oct | 433630365 |
9 | 164880873 |
10 | 74395893 |
11 | 38aa3810 |
12 | 20ab9219 |
13 | 1254a650 |
14 | 9c482c5 |
15 | 67e8363 |
hex | 46f30f5 |
74395893 has 48 divisors (see below), whose sum is σ = 124625088. Its totient is φ = 38784000.
The previous prime is 74395843. The next prime is 74395921. The reversal of 74395893 is 39859347.
It is not a de Polignac number, because 74395893 - 212 = 74391797 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (74395813) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 736543 + ... + 736643.
It is an arithmetic number, because the mean of its divisors is an integer number (2596356).
Almost surely, 274395893 is an apocalyptic number.
It is an amenable number.
74395893 is a deficient number, since it is larger than the sum of its proper divisors (50229195).
74395893 is a wasteful number, since it uses less digits than its factorization.
74395893 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 246 (or 145 counting only the distinct ones).
The product of its digits is 816480, while the sum is 48.
The square root of 74395893 is about 8625.3053858979. The cubic root of 74395893 is about 420.5810042909.
The spelling of 74395893 in words is "seventy-four million, three hundred ninety-five thousand, eight hundred ninety-three".
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