Base | Representation |
---|---|
bin | 1000110111110… |
… | …11011100111001 |
3 | 12012001110010111 |
4 | 10123323130321 |
5 | 123023232030 |
6 | 11215144321 |
7 | 1562434600 |
oct | 433733471 |
9 | 165043114 |
10 | 74430265 |
11 | 39017618 |
12 | 20b150a1 |
13 | 125601a0 |
14 | 9c56a37 |
15 | 680362a |
hex | 46fb739 |
74430265 has 24 divisors (see below), whose sum is σ = 111895560. Its totient is φ = 47109888.
The previous prime is 74430263. The next prime is 74430283. The reversal of 74430265 is 56203447.
It can be written as a sum of positive squares in 4 ways, for example, as 659344 + 73770921 = 812^2 + 8589^2 .
It is not a de Polignac number, because 74430265 - 21 = 74430263 is a prime.
It is not an unprimeable number, because it can be changed into a prime (74430263) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8500 + ... + 14869.
It is an arithmetic number, because the mean of its divisors is an integer number (4662315).
Almost surely, 274430265 is an apocalyptic number.
It is an amenable number.
74430265 is a deficient number, since it is larger than the sum of its proper divisors (37465295).
74430265 is a wasteful number, since it uses less digits than its factorization.
74430265 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 23401 (or 23394 counting only the distinct ones).
The product of its (nonzero) digits is 20160, while the sum is 31.
The square root of 74430265 is about 8627.2976649702. The cubic root of 74430265 is about 420.6457658610.
The spelling of 74430265 in words is "seventy-four million, four hundred thirty thousand, two hundred sixty-five".
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