Base | Representation |
---|---|
bin | 100101000100111… |
… | …110001110000100 |
3 | 1121100111221110211 |
4 | 211010332032010 |
5 | 2233221413140 |
6 | 141420525204 |
7 | 21262266142 |
oct | 4504761604 |
9 | 1540457424 |
10 | 622060420 |
11 | 29a156223 |
12 | 1543b0804 |
13 | 9bb50ab7 |
14 | 5c88a592 |
15 | 399292ea |
hex | 2513e384 |
622060420 has 12 divisors (see below), whose sum is σ = 1306326924. Its totient is φ = 248824160.
The previous prime is 622060393. The next prime is 622060433. The reversal of 622060420 is 24060226.
It is a happy number.
It can be written as a sum of positive squares in 2 ways, for example, as 434972736 + 187087684 = 20856^2 + 13678^2 .
It is a super-2 number, since 2×6220604202 = 773918332261152800, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 622060391 and 622060400.
It is an unprimeable number.
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 3 ways as a sum of consecutive naturals, for example, 15551491 + ... + 15551530.
It is an arithmetic number, because the mean of its divisors is an integer number (108860577).
Almost surely, 2622060420 is an apocalyptic number.
It is an amenable number.
622060420 is an abundant number, since it is smaller than the sum of its proper divisors (684266504).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
622060420 is a wasteful number, since it uses less digits than its factorization.
622060420 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 31103030 (or 31103028 counting only the distinct ones).
The product of its (nonzero) digits is 1152, while the sum is 22.
The square root of 622060420 is about 24941.1391079076. The cubic root of 622060420 is about 853.6454367117.
The spelling of 622060420 in words is "six hundred twenty-two million, sixty thousand, four hundred twenty".
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