Base | Representation |
---|---|
bin | 10100001001010111101101 |
3 | 100221022112021 |
4 | 110021113231 |
5 | 2323000021 |
6 | 305110141 |
7 | 62614156 |
oct | 24112755 |
9 | 10838467 |
10 | 5281261 |
11 | 2a87987 |
12 | 1928351 |
13 | 112bb0b |
14 | 9b692d |
15 | 6e4c41 |
hex | 5095ed |
5281261 has 4 divisors (see below), whose sum is σ = 5308000. Its totient is φ = 5254524.
The previous prime is 5281247. The next prime is 5281273. The reversal of 5281261 is 1621825.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 5281261 - 215 = 5248493 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (5281201) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13071 + ... + 13468.
It is an arithmetic number, because the mean of its divisors is an integer number (1327000).
Almost surely, 25281261 is an apocalyptic number.
It is an amenable number.
5281261 is a deficient number, since it is larger than the sum of its proper divisors (26739).
5281261 is a wasteful number, since it uses less digits than its factorization.
5281261 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 26738.
The product of its digits is 960, while the sum is 25.
The square root of 5281261 is about 2298.0994321395. The cubic root of 5281261 is about 174.1456151027.
The spelling of 5281261 in words is "five million, two hundred eighty-one thousand, two hundred sixty-one".
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