Base | Representation |
---|---|
bin | 10100000010000011001000 |
3 | 100212210101120 |
4 | 110002003020 |
5 | 2321020042 |
6 | 304315240 |
7 | 62430555 |
oct | 24020310 |
9 | 10783346 |
10 | 5251272 |
11 | 2a673a4 |
12 | 1912b20 |
13 | 111b280 |
14 | 9a9a2c |
15 | 6dadec |
hex | 5020c8 |
5251272 has 32 divisors (see below), whose sum is σ = 14138880. Its totient is φ = 1615680.
The previous prime is 5251271. The next prime is 5251273. The reversal of 5251272 is 2721525.
It is an interprime number because it is at equal distance from previous prime (5251271) and next prime (5251273).
It is a Harshad number since it is a multiple of its sum of digits (24).
It is a d-powerful number, because it can be written as 52 + 213 + 53 + 1 + 220 + 72 + 222 .
It is not an unprimeable number, because it can be changed into a prime (5251271) 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, 8104 + ... + 8727.
It is an arithmetic number, because the mean of its divisors is an integer number (441840).
Almost surely, 25251272 is an apocalyptic number.
5251272 is a gapful number since it is divisible by the number (52) formed by its first and last digit.
It is an amenable number.
5251272 is an abundant number, since it is smaller than the sum of its proper divisors (8887608).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
5251272 is a wasteful number, since it uses less digits than its factorization.
5251272 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 16853 (or 16849 counting only the distinct ones).
The product of its digits is 1400, while the sum is 24.
The square root of 5251272 is about 2291.5654038233. The cubic root of 5251272 is about 173.8153676375.
Adding to 5251272 its reverse (2721525), we get a palindrome (7972797).
The spelling of 5251272 in words is "five million, two hundred fifty-one thousand, two hundred seventy-two".
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