Base | Representation |
---|---|
bin | 100100111101001… |
… | …101000000000000 |
3 | 1121012200110202202 |
4 | 210331031000000 |
5 | 2232211230213 |
6 | 141305132332 |
7 | 21236054405 |
oct | 4475150000 |
9 | 1535613682 |
10 | 620023808 |
11 | 298a95078 |
12 | 15378a0a8 |
13 | 9b5b9ac1 |
14 | 5c4ba2ac |
15 | 39675b58 |
hex | 24f4d000 |
620023808 has 104 divisors (see below), whose sum is σ = 1352497920. Its totient is φ = 283115520.
The previous prime is 620023757. The next prime is 620023823. The reversal of 620023808 is 808320026.
It is a super-3 number, since 3×6200238083 (a number of 27 digits) contains 333 as substring.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2412416 + ... + 2412672.
Almost surely, 2620023808 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 620023808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (676248960).
620023808 is an abundant number, since it is smaller than the sum of its proper divisors (732474112).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
620023808 is a wasteful number, since it uses less digits than its factorization.
620023808 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 331 (or 309 counting only the distinct ones).
The product of its (nonzero) digits is 4608, while the sum is 29.
The square root of 620023808 is about 24900.2772675326. The cubic root of 620023808 is about 852.7128127728.
The spelling of 620023808 in words is "six hundred twenty million, twenty-three thousand, eight hundred eight".
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