Base | Representation |
---|---|
bin | 101010010101001… |
… | …0000101101011011 |
3 | 10122222122222222121 |
4 | 1110222100231123 |
5 | 10402103132020 |
6 | 352535202111 |
7 | 50124620524 |
oct | 12452205533 |
9 | 3588588877 |
10 | 1420364635 |
11 | 669838a78 |
12 | 337816337 |
13 | 19835bb61 |
14 | d68d384b |
15 | 84a68baa |
hex | 54a90b5b |
1420364635 has 4 divisors (see below), whose sum is σ = 1704437568. Its totient is φ = 1136291704.
The previous prime is 1420364623. The next prime is 1420364653. The reversal of 1420364635 is 5364630241.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5364630241 = 127 ⋅42241183.
It is a cyclic number.
It is not a de Polignac number, because 1420364635 - 27 = 1420364507 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 1420364635.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 142036459 + ... + 142036468.
It is an arithmetic number, because the mean of its divisors is an integer number (426109392).
Almost surely, 21420364635 is an apocalyptic number.
1420364635 is a deficient number, since it is larger than the sum of its proper divisors (284072933).
1420364635 is an equidigital number, since it uses as much as digits as its factorization.
1420364635 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 284072932.
The product of its (nonzero) digits is 51840, while the sum is 34.
The square root of 1420364635 is about 37687.7252563749. The cubic root of 1420364635 is about 1124.0870644577.
Adding to 1420364635 its reverse (5364630241), we get a palindrome (6784994876).
The spelling of 1420364635 in words is "one billion, four hundred twenty million, three hundred sixty-four thousand, six hundred thirty-five".
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