Base | Representation |
---|---|
bin | 101010010100111… |
… | …0000001001001010 |
3 | 10122222102020000010 |
4 | 1110221300021022 |
5 | 10402034344432 |
6 | 352532252350 |
7 | 50123523603 |
oct | 12451601112 |
9 | 3588366003 |
10 | 1420231242 |
11 | 669757831 |
12 | 3377710b6 |
13 | 198313221 |
14 | d689adaa |
15 | 84a3e3cc |
hex | 54a7024a |
1420231242 has 16 divisors (see below), whose sum is σ = 2900898432. Its totient is φ = 463337760.
The previous prime is 1420231237. The next prime is 1420231243. The reversal of 1420231242 is 2421320241.
It is not an unprimeable number, because it can be changed into a prime (1420231243) 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, 2517859 + ... + 2518422.
It is an arithmetic number, because the mean of its divisors is an integer number (181306152).
Almost surely, 21420231242 is an apocalyptic number.
1420231242 is an abundant number, since it is smaller than the sum of its proper divisors (1480667190).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1420231242 is a wasteful number, since it uses less digits than its factorization.
1420231242 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5036333.
The product of its (nonzero) digits is 768, while the sum is 21.
The square root of 1420231242 is about 37685.9555006902. The cubic root of 1420231242 is about 1124.0518739542.
Adding to 1420231242 its reverse (2421320241), we get a palindrome (3841551483).
The spelling of 1420231242 in words is "one billion, four hundred twenty million, two hundred thirty-one thousand, two hundred forty-two".
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