Base | Representation |
---|---|
bin | 101010010101000… |
… | …0001110000101001 |
3 | 10122222112212222200 |
4 | 1110222001300221 |
5 | 10402044202101 |
6 | 352534010413 |
7 | 50124244146 |
oct | 12452016051 |
9 | 3588485880 |
10 | 1420303401 |
11 | 6697a6a70 |
12 | 3377a6a09 |
13 | 19833a01a |
14 | d68b93cd |
15 | 84a55986 |
hex | 54a81c29 |
1420303401 has 24 divisors (see below), whose sum is σ = 2275996320. Its totient is φ = 846196800.
The previous prime is 1420303399. The next prime is 1420303421. The reversal of 1420303401 is 1043030241.
It is not a de Polignac number, because 1420303401 - 21 = 1420303399 is a prime.
It is not an unprimeable number, because it can be changed into a prime (1420303421) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 115740 + ... + 127421.
It is an arithmetic number, because the mean of its divisors is an integer number (94833180).
Almost surely, 21420303401 is an apocalyptic number.
1420303401 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
It is an amenable number.
1420303401 is a deficient number, since it is larger than the sum of its proper divisors (855692919).
1420303401 is a wasteful number, since it uses less digits than its factorization.
1420303401 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 243237 (or 243234 counting only the distinct ones).
The product of its (nonzero) digits is 288, while the sum is 18.
The square root of 1420303401 is about 37686.9128610981. The cubic root of 1420303401 is about 1124.0709105456.
Adding to 1420303401 its reverse (1043030241), we get a palindrome (2463333642).
The spelling of 1420303401 in words is "one billion, four hundred twenty million, three hundred three thousand, four hundred one".
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