Base | Representation |
---|---|
bin | 11010010010011… |
… | …11110110100110 |
3 | 120100221222121010 |
4 | 31021033312212 |
5 | 422423344123 |
6 | 33514403050 |
7 | 5315312613 |
oct | 1511176646 |
9 | 510858533 |
10 | 220528038 |
11 | 103533a85 |
12 | 61a30486 |
13 | 368c3b83 |
14 | 2140750a |
15 | 14561993 |
hex | d24fda6 |
220528038 has 16 divisors (see below), whose sum is σ = 441264960. Its totient is φ = 73474536.
The previous prime is 220528013. The next prime is 220528039. The reversal of 220528038 is 830825022.
It is a junction number, because it is equal to n+sod(n) for n = 220527996 and 220528014.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (220528039) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7281 + ... + 22227.
It is an arithmetic number, because the mean of its divisors is an integer number (27579060).
Almost surely, 2220528038 is an apocalyptic number.
220528038 is an abundant number, since it is smaller than the sum of its proper divisors (220736922).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
220528038 is a wasteful number, since it uses less digits than its factorization.
220528038 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 17411.
The product of its (nonzero) digits is 7680, while the sum is 30.
The square root of 220528038 is about 14850.1864634758. The cubic root of 220528038 is about 604.1636673990.
The spelling of 220528038 in words is "two hundred twenty million, five hundred twenty-eight thousand, thirty-eight".
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