Base | Representation |
---|---|
bin | 1101001001010… |
… | …0000100100011 |
3 | 10211202000111122 |
4 | 3102110010203 |
5 | 103103214301 |
6 | 5245402455 |
7 | 1236422003 |
oct | 322240443 |
9 | 124660448 |
10 | 55132451 |
11 | 29136910 |
12 | 1656942b |
13 | b56456a |
14 | 7472003 |
15 | 4c9081b |
hex | 3494123 |
55132451 has 8 divisors (see below), whose sum is σ = 62218800. Its totient is φ = 48391840.
The previous prime is 55132397. The next prime is 55132453. The reversal of 55132451 is 15423155.
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 55132451 - 218 = 54870307 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 55132451.
It is not an unprimeable number, because it can be changed into a prime (55132453) 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, 86096 + ... + 86733.
It is an arithmetic number, because the mean of its divisors is an integer number (7777350).
Almost surely, 255132451 is an apocalyptic number.
55132451 is a deficient number, since it is larger than the sum of its proper divisors (7086349).
55132451 is a wasteful number, since it uses less digits than its factorization.
55132451 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 172869.
The product of its digits is 3000, while the sum is 26.
The square root of 55132451 is about 7425.1229619448. The cubic root of 55132451 is about 380.6002770190.
The spelling of 55132451 in words is "fifty-five million, one hundred thirty-two thousand, four hundred fifty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.077 sec. • engine limits •