Base | Representation |
---|---|
bin | 101010010101000… |
… | …0110100011100010 |
3 | 10122222120212221010 |
4 | 1110222012203202 |
5 | 10402100314132 |
6 | 352534241350 |
7 | 50124355335 |
oct | 12452064342 |
9 | 3588525833 |
10 | 1420323042 |
11 | 66980a7a6 |
12 | 3377b6256 |
13 | 198345c48 |
14 | d68c261c |
15 | 84a5b6cc |
hex | 54a868e2 |
1420323042 has 16 divisors (see below), whose sum is σ = 2863014912. Its totient is φ = 469712880.
The previous prime is 1420323041. The next prime is 1420323049. The reversal of 1420323042 is 2403230241.
It is a super-2 number, since 2×14203230422 = 4034635087272267528, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (1420323041) 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 7 ways as a sum of consecutive naturals, for example, 931209 + ... + 932732.
It is an arithmetic number, because the mean of its divisors is an integer number (178938432).
Almost surely, 21420323042 is an apocalyptic number.
1420323042 is an abundant number, since it is smaller than the sum of its proper divisors (1442691870).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1420323042 is a wasteful number, since it uses less digits than its factorization.
1420323042 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1864073.
The product of its (nonzero) digits is 1152, while the sum is 21.
The square root of 1420323042 is about 37687.1734413713. The cubic root of 1420323042 is about 1124.0760920148.
Adding to 1420323042 its reverse (2403230241), we get a palindrome (3823553283).
The spelling of 1420323042 in words is "one billion, four hundred twenty million, three hundred twenty-three thousand, forty-two".
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