Base | Representation |
---|---|
bin | 11110001010011… |
… | …00111101000100 |
3 | 122122002211221221 |
4 | 33011030331010 |
5 | 1004233201040 |
6 | 41035050124 |
7 | 6161436346 |
oct | 1705147504 |
9 | 578084857 |
10 | 253022020 |
11 | 11a908209 |
12 | 708a0944 |
13 | 40560094 |
14 | 25865296 |
15 | 1732e74a |
hex | f14cf44 |
253022020 has 12 divisors (see below), whose sum is σ = 531346284. Its totient is φ = 101208800.
The previous prime is 253022017. The next prime is 253022047. The reversal of 253022020 is 20220352.
253022020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 2 ways, for example, as 52969284 + 200052736 = 7278^2 + 14144^2 .
It is a junction number, because it is equal to n+sod(n) for n = 253021985 and 253022003.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6325531 + ... + 6325570.
It is an arithmetic number, because the mean of its divisors is an integer number (44278857).
Almost surely, 2253022020 is an apocalyptic number.
253022020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
253022020 is an abundant number, since it is smaller than the sum of its proper divisors (278324264).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
253022020 is a wasteful number, since it uses less digits than its factorization.
253022020 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 12651110 (or 12651108 counting only the distinct ones).
The product of its (nonzero) digits is 240, while the sum is 16.
The square root of 253022020 is about 15906.6658982956. The cubic root of 253022020 is about 632.4887029493.
Adding to 253022020 its reverse (20220352), we get a palindrome (273242372).
The spelling of 253022020 in words is "two hundred fifty-three million, twenty-two thousand, twenty".
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