Base | Representation |
---|---|
bin | 1000111111011… |
… | …01001101111101 |
3 | 12020220202112101 |
4 | 10133231031331 |
5 | 123301424131 |
6 | 11252305101 |
7 | 1604030650 |
oct | 437551575 |
9 | 166822471 |
10 | 75420541 |
11 | 39633629 |
12 | 21312191 |
13 | 12818b51 |
14 | a033897 |
15 | 694bc61 |
hex | 47ed37d |
75420541 has 8 divisors (see below), whose sum is σ = 88524800. Its totient is φ = 62898768.
The previous prime is 75420533. The next prime is 75420547. The reversal of 75420541 is 14502457.
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 75420541 - 23 = 75420533 is a prime.
It is the 8685-th Hogben number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (75420547) by changing a digit.
It is a nontrivial repunit in base 8684.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 145341 + ... + 145858.
It is an arithmetic number, because the mean of its divisors is an integer number (11065600).
Almost surely, 275420541 is an apocalyptic number.
It is an amenable number.
75420541 is a deficient number, since it is larger than the sum of its proper divisors (13104259).
75420541 is a wasteful number, since it uses less digits than its factorization.
75420541 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 291243.
The product of its (nonzero) digits is 5600, while the sum is 28.
The square root of 75420541 is about 8684.5000431804. The cubic root of 75420541 is about 422.5030818024.
Adding to 75420541 its reverse (14502457), we get a palindrome (89922998).
The spelling of 75420541 in words is "seventy-five million, four hundred twenty thousand, five hundred forty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.065 sec. • engine limits •