Base | Representation |
---|---|
bin | 1000111110000… |
… | …01011001000111 |
3 | 12020120122021212 |
4 | 10133001121013 |
5 | 123230203111 |
6 | 11244402035 |
7 | 1602352415 |
oct | 437013107 |
9 | 166518255 |
10 | 75241031 |
11 | 39520778 |
12 | 2124631b |
13 | 12785228 |
14 | 9dc82b5 |
15 | 691398b |
hex | 47c1647 |
75241031 has 8 divisors (see below), whose sum is σ = 81362880. Its totient is φ = 69307648.
The previous prime is 75241021. The next prime is 75241037. The reversal of 75241031 is 13014257.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 75241031 - 26 = 75240967 is a prime.
It is a super-2 number, since 2×752410312 = 11322425491885922, which contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 75240988 and 75241006.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (75241037) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46286 + ... + 47883.
It is an arithmetic number, because the mean of its divisors is an integer number (10170360).
Almost surely, 275241031 is an apocalyptic number.
75241031 is a deficient number, since it is larger than the sum of its proper divisors (6121849).
75241031 is a wasteful number, since it uses less digits than its factorization.
75241031 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 94233.
The product of its (nonzero) digits is 840, while the sum is 23.
The square root of 75241031 is about 8674.1588064780. The cubic root of 75241031 is about 422.1676127151.
Adding to 75241031 its reverse (13014257), we get a palindrome (88255288).
The spelling of 75241031 in words is "seventy-five million, two hundred forty-one thousand, thirty-one".
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