Base | Representation |
---|---|
bin | 100110010000… |
… | …0001111110000 |
3 | 1101201220022200 |
4 | 1030200033300 |
5 | 20113230044 |
6 | 1553503200 |
7 | 332315313 |
oct | 114401760 |
9 | 41656280 |
10 | 20055024 |
11 | 10358700 |
12 | 6871b00 |
13 | 42024a2 |
14 | 294097a |
15 | 1b62369 |
hex | 13203f0 |
20055024 has 90 divisors (see below), whose sum is σ = 61746048. Its totient is φ = 6072000.
The previous prime is 20055017. The next prime is 20055083. The reversal of 20055024 is 42055002.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a junction number, because it is equal to n+sod(n) for n = 20054988 and 20055006.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 16849 + ... + 17999.
Almost surely, 220055024 is an apocalyptic number.
20055024 is a gapful number since it is divisible by the number (24) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 20055024, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30873024).
20055024 is an abundant number, since it is smaller than the sum of its proper divisors (41691024).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20055024 is a wasteful number, since it uses less digits than its factorization.
20055024 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1187 (or 1167 counting only the distinct ones).
The product of its (nonzero) digits is 400, while the sum is 18.
The square root of 20055024 is about 4478.2835997735. The cubic root of 20055024 is about 271.6904639138.
The spelling of 20055024 in words is "twenty million, fifty-five thousand, twenty-four".
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