Base | Representation |
---|---|
bin | 1000111110000… |
… | …01101111001001 |
3 | 12020120201020002 |
4 | 10133001233021 |
5 | 123230224231 |
6 | 11244412345 |
7 | 1602356501 |
oct | 437015711 |
9 | 166521202 |
10 | 75242441 |
11 | 3952183a |
12 | 212470b5 |
13 | 12785a71 |
14 | 9dc8a01 |
15 | 69140cb |
hex | 47c1bc9 |
75242441 has 8 divisors (see below), whose sum is σ = 77015424. Its totient is φ = 73476720.
The previous prime is 75242429. The next prime is 75242449. The reversal of 75242441 is 14424257.
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 75242441 - 222 = 71048137 is a prime.
It is a super-2 number, since 2×752424412 = 11322849855276962, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (75242449) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23051 + ... + 26111.
It is an arithmetic number, because the mean of its divisors is an integer number (9626928).
Almost surely, 275242441 is an apocalyptic number.
It is an amenable number.
75242441 is a deficient number, since it is larger than the sum of its proper divisors (1772983).
75242441 is a wasteful number, since it uses less digits than its factorization.
75242441 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3631.
The product of its digits is 8960, while the sum is 29.
The square root of 75242441 is about 8674.2400819899. The cubic root of 75242441 is about 422.1702498073.
Adding to 75242441 its reverse (14424257), we get a palindrome (89666698).
The spelling of 75242441 in words is "seventy-five million, two hundred forty-two thousand, four hundred forty-one".
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