Base | Representation |
---|---|
bin | 101010010101010… |
… | …0000110001101010 |
3 | 10122222210100020220 |
4 | 1110222200301222 |
5 | 10402112233232 |
6 | 352540430510 |
7 | 50125313424 |
oct | 12452406152 |
9 | 3588710226 |
10 | 1420430442 |
11 | 669883462 |
12 | 337848436 |
13 | 198382ab2 |
14 | d690d814 |
15 | 84a7d42c |
hex | 54aa0c6a |
1420430442 has 32 divisors (see below), whose sum is σ = 2862525120. Its totient is φ = 469877760.
The previous prime is 1420430441. The next prime is 1420430467. The reversal of 1420430442 is 2440340241.
It is a happy number.
It is not an unprimeable number, because it can be changed into a prime (1420430441) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 671178 + ... + 673290.
It is an arithmetic number, because the mean of its divisors is an integer number (89453910).
Almost surely, 21420430442 is an apocalyptic number.
1420430442 is an abundant number, since it is smaller than the sum of its proper divisors (1442094678).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1420430442 is a wasteful number, since it uses less digits than its factorization.
1420430442 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2918.
The product of its (nonzero) digits is 3072, while the sum is 24.
The square root of 1420430442 is about 37688.5983024044. The cubic root of 1420430442 is about 1124.1044242382.
Adding to 1420430442 its reverse (2440340241), we get a palindrome (3860770683).
The spelling of 1420430442 in words is "one billion, four hundred twenty million, four hundred thirty thousand, four hundred forty-two".
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