Base | Representation |
---|---|
bin | 101010010100011… |
… | …1111000001000111 |
3 | 10122222000222222120 |
4 | 1110220333001013 |
5 | 10402011430043 |
6 | 352524101023 |
7 | 50122025136 |
oct | 12450770107 |
9 | 3588028876 |
10 | 1420030023 |
11 | 66962a635 |
12 | 337694773 |
13 | 198272769 |
14 | d684791d |
15 | 849ee983 |
hex | 54a3f047 |
1420030023 has 8 divisors (see below), whose sum is σ = 1898450928. Its totient is φ = 944147904.
The previous prime is 1420030021. The next prime is 1420030069. The reversal of 1420030023 is 3200300241.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 1420030023 - 21 = 1420030021 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 1420029984 and 1420030011.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1420030021) 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, 633390 + ... + 635627.
It is an arithmetic number, because the mean of its divisors is an integer number (237306366).
Almost surely, 21420030023 is an apocalyptic number.
1420030023 is a deficient number, since it is larger than the sum of its proper divisors (478420905).
1420030023 is a wasteful number, since it uses less digits than its factorization.
1420030023 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1269393.
The product of its (nonzero) digits is 144, while the sum is 15.
The square root of 1420030023 is about 37683.2857245756. The cubic root of 1420030023 is about 1123.9987860555.
Adding to 1420030023 its reverse (3200300241), we get a palindrome (4620330264).
It can be divided in two parts, 1 and 420030023, that added together give a palindrome (420030024).
The spelling of 1420030023 in words is "one billion, four hundred twenty million, thirty thousand, twenty-three".
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