Base | Representation |
---|---|
bin | 11001000101001… |
… | …110001010010010 |
3 | 1002022210210212200 |
4 | 121011032022102 |
5 | 1330211032442 |
6 | 105431104030 |
7 | 13266506412 |
oct | 3105161222 |
9 | 1068723780 |
10 | 420799122 |
11 | 1a6591677 |
12 | b8b12016 |
13 | 69244683 |
14 | 3dc5a642 |
15 | 26e2134c |
hex | 1914e292 |
420799122 has 24 divisors (see below), whose sum is σ = 951372864. Its totient is φ = 134167704.
The previous prime is 420799111. The next prime is 420799123. The reversal of 420799122 is 221997024.
It is not an unprimeable number, because it can be changed into a prime (420799123) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 507798 + ... + 508625.
It is an arithmetic number, because the mean of its divisors is an integer number (39640536).
Almost surely, 2420799122 is an apocalyptic number.
420799122 is an abundant number, since it is smaller than the sum of its proper divisors (530573742).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
420799122 is a wasteful number, since it uses less digits than its factorization.
420799122 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1016454 (or 1016451 counting only the distinct ones).
The product of its (nonzero) digits is 18144, while the sum is 36.
The square root of 420799122 is about 20513.3888472870. The cubic root of 420799122 is about 749.3618999250.
The spelling of 420799122 in words is "four hundred twenty million, seven hundred ninety-nine thousand, one hundred twenty-two".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.072 sec. • engine limits •