Base | Representation |
---|---|
bin | 1000011101100000… |
… | …11000111001100100 |
3 | 102201120120121010010 |
4 | 10032300120321210 |
5 | 33300342030340 |
6 | 2030430130220 |
7 | 220365616041 |
oct | 41660307144 |
9 | 12646517103 |
10 | 4542533220 |
11 | 1a21161495 |
12 | a69350970 |
13 | 5751493a4 |
14 | 31141c1c8 |
15 | 1b8be0b80 |
hex | 10ec18e64 |
4542533220 has 24 divisors (see below), whose sum is σ = 12719093184. Its totient is φ = 1211342176.
The previous prime is 4542533207. The next prime is 4542533239. The reversal of 4542533220 is 223352454.
It is a Harshad number since it is a multiple of its sum of digits (30).
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, 37854384 + ... + 37854503.
It is an arithmetic number, because the mean of its divisors is an integer number (529962216).
Almost surely, 24542533220 is an apocalyptic number.
It is an amenable number.
4542533220 is an abundant number, since it is smaller than the sum of its proper divisors (8176559964).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
4542533220 is a wasteful number, since it uses less digits than its factorization.
4542533220 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 75708899 (or 75708897 counting only the distinct ones).
The product of its (nonzero) digits is 28800, while the sum is 30.
The square root of 4542533220 is about 67398.3176347897. The cubic root of 4542533220 is about 1656.1488626127.
Adding to 4542533220 its reverse (223352454), we get a palindrome (4765885674).
The spelling of 4542533220 in words is "four billion, five hundred forty-two million, five hundred thirty-three thousand, two hundred twenty".
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