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5281269 = 37237971
BaseRepresentation
bin10100001001010111110101
3100221022112120
4110021113311
52323000034
6305110153
762614200
oct24112765
910838476
105281269
112a87994
121928359
13112bb16
149b6937
156e4c49
hex5095f5

5281269 has 24 divisors (see below), whose sum is σ = 8421408. Its totient is φ = 2933280.

The previous prime is 5281247. The next prime is 5281273. The reversal of 5281269 is 9621825.

It is not a de Polignac number, because 5281269 - 211 = 5279221 is a prime.

It is a super-2 number, since 2×52812692 = 55783604500722, which contains 22 as substring.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5281369) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4954 + ... + 5924.

It is an arithmetic number, because the mean of its divisors is an integer number (350892).

Almost surely, 25281269 is an apocalyptic number.

It is an amenable number.

5281269 is a deficient number, since it is larger than the sum of its proper divisors (3140139).

5281269 is a wasteful number, since it uses less digits than its factorization.

5281269 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1025 (or 1018 counting only the distinct ones).

The product of its digits is 8640, while the sum is 33.

The square root of 5281269 is about 2298.1011727076. The cubic root of 5281269 is about 174.1457030340.

The spelling of 5281269 in words is "five million, two hundred eighty-one thousand, two hundred sixty-nine".

Divisors: 1 3 7 21 37 49 111 147 259 777 971 1813 2913 5439 6797 20391 35927 47579 107781 142737 251489 754467 1760423 5281269