Base | Representation |
---|---|
bin | 10011111000010000001000 |
3 | 100210202100100 |
4 | 103320100020 |
5 | 2313224034 |
6 | 303405400 |
7 | 62202561 |
oct | 23702010 |
9 | 10722310 |
10 | 5211144 |
11 | 2a3a234 |
12 | 18b3860 |
13 | 1105c23 |
14 | 999168 |
15 | 6ce099 |
hex | 4f8408 |
5211144 has 48 divisors (see below), whose sum is σ = 14234220. Its totient is φ = 1722240.
The previous prime is 5211109. The next prime is 5211209. The reversal of 5211144 is 4411125.
5211144 is a `hidden beast` number, since 521 + 1 + 144 = 666.
It can be written as a sum of positive squares in 2 ways, for example, as 5008644 + 202500 = 2238^2 + 450^2 .
It is a Harshad number since it is a multiple of its sum of digits (18).
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11074 + ... + 11534.
Almost surely, 25211144 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 5211144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7117110).
5211144 is an abundant number, since it is smaller than the sum of its proper divisors (9023076).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
5211144 is a wasteful number, since it uses less digits than its factorization.
5211144 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 630 (or 623 counting only the distinct ones).
The product of its digits is 160, while the sum is 18.
The square root of 5211144 is about 2282.7930260976. The cubic root of 5211144 is about 173.3714938992.
Adding to 5211144 its reverse (4411125), we get a palindrome (9622269).
The spelling of 5211144 in words is "five million, two hundred eleven thousand, one hundred forty-four".
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