Base | Representation |
---|---|
bin | 1000111110011… |
… | …01111100110101 |
3 | 12020200020211222 |
4 | 10133031330311 |
5 | 123233324334 |
6 | 11245440125 |
7 | 1602655400 |
oct | 437157465 |
9 | 166606758 |
10 | 75292469 |
11 | 3955638a |
12 | 21270045 |
13 | 127a2775 |
14 | 9ddcd37 |
15 | 6923d2e |
hex | 47cdf35 |
75292469 has 6 divisors (see below), whose sum is σ = 87585174. Its totient is φ = 64536360.
The previous prime is 75292457. The next prime is 75292499. The reversal of 75292469 is 96429257.
It can be written as a sum of positive squares in only one way, i.e., 42745444 + 32547025 = 6538^2 + 5705^2 .
It is not a de Polignac number, because 75292469 - 24 = 75292453 is a prime.
It is a super-2 number, since 2×752924692 = 11337911776231922, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (75292499) 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 5 ways as a sum of consecutive naturals, for example, 768242 + ... + 768339.
It is an arithmetic number, because the mean of its divisors is an integer number (14597529).
Almost surely, 275292469 is an apocalyptic number.
It is an amenable number.
75292469 is a deficient number, since it is larger than the sum of its proper divisors (12292705).
75292469 is a wasteful number, since it uses less digits than its factorization.
75292469 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1536595 (or 1536588 counting only the distinct ones).
The product of its digits is 272160, while the sum is 44.
The square root of 75292469 is about 8677.1233136334. The cubic root of 75292469 is about 422.2637947703.
The spelling of 75292469 in words is "seventy-five million, two hundred ninety-two thousand, four hundred sixty-nine".
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