Base | Representation |
---|---|
bin | 101010010110000… |
… | …1111011111100011 |
3 | 10200000122101100002 |
4 | 1110230033133203 |
5 | 10402221241224 |
6 | 352554250215 |
7 | 50132212526 |
oct | 12454173743 |
9 | 3600571302 |
10 | 1420883939 |
11 | 66a063152 |
12 | 337a2696b |
13 | 1984b1337 |
14 | d69cabbd |
15 | 84b1c9ae |
hex | 54b0f7e3 |
1420883939 has 2 divisors, whose sum is σ = 1420883940. Its totient is φ = 1420883938.
The previous prime is 1420883911. The next prime is 1420883963. The reversal of 1420883939 is 9393880241.
It is a happy number.
It is a strong prime.
It is an emirp because it is prime and its reverse (9393880241) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 1420883939 - 28 = 1420883683 is a prime.
It is a super-2 number, since 2×14208839392 = 4037822336216311442, which contains 22 as substring.
It is a Sophie Germain prime.
It is a junction number, because it is equal to n+sod(n) for n = 1420883893 and 1420883902.
It is not a weakly prime, because it can be changed into another prime (1420883339) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 710441969 + 710441970.
It is an arithmetic number, because the mean of its divisors is an integer number (710441970).
Almost surely, 21420883939 is an apocalyptic number.
1420883939 is a deficient number, since it is larger than the sum of its proper divisors (1).
1420883939 is an equidigital number, since it uses as much as digits as its factorization.
1420883939 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 373248, while the sum is 47.
The square root of 1420883939 is about 37694.6141908894. The cubic root of 1420883939 is about 1124.2240414394.
The spelling of 1420883939 in words is "one billion, four hundred twenty million, eight hundred eighty-three thousand, nine hundred thirty-nine".
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