Base | Representation |
---|---|
bin | 1000111101010… |
… | …10100001100001 |
3 | 12020101212210121 |
4 | 10132222201201 |
5 | 123214203421 |
6 | 11242400241 |
7 | 1601512342 |
oct | 436524141 |
9 | 166355717 |
10 | 75147361 |
11 | 39467363 |
12 | 21200081 |
13 | 127516c3 |
14 | 9da20c9 |
15 | 68e5d41 |
hex | 47aa861 |
75147361 has 8 divisors (see below), whose sum is σ = 79803360. Its totient is φ = 70517568.
The previous prime is 75147353. The next prime is 75147367. The reversal of 75147361 is 16374157.
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 75147361 - 23 = 75147353 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (75147367) 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, 471 + ... + 12268.
It is an arithmetic number, because the mean of its divisors is an integer number (9975420).
Almost surely, 275147361 is an apocalyptic number.
It is an amenable number.
75147361 is a deficient number, since it is larger than the sum of its proper divisors (4655999).
75147361 is a wasteful number, since it uses less digits than its factorization.
75147361 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 13103.
The product of its digits is 17640, while the sum is 34.
The square root of 75147361 is about 8668.7577541422. The cubic root of 75147361 is about 421.9923499134.
The spelling of 75147361 in words is "seventy-five million, one hundred forty-seven thousand, three hundred sixty-one".
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