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5287319 = 41128959
BaseRepresentation
bin10100001010110110010111
3100221121211122
4110022312113
52323143234
6305154155
762640632
oct24126627
910847748
105287319
112a91494
12192b95b
1311317bb
149b8c19
156e692e
hex50ad97

5287319 has 4 divisors (see below), whose sum is σ = 5416320. Its totient is φ = 5158320.

The previous prime is 5287313. The next prime is 5287327. The reversal of 5287319 is 9137825.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-5287319 is a prime.

It is a super-2 number, since 2×52873192 = 55911484415522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5287313) 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, 64439 + ... + 64520.

It is an arithmetic number, because the mean of its divisors is an integer number (1354080).

Almost surely, 25287319 is an apocalyptic number.

5287319 is a deficient number, since it is larger than the sum of its proper divisors (129001).

5287319 is a wasteful number, since it uses less digits than its factorization.

5287319 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129000.

The product of its digits is 15120, while the sum is 35.

The square root of 5287319 is about 2299.4171000495. The cubic root of 5287319 is about 174.2121756593.

The spelling of 5287319 in words is "five million, two hundred eighty-seven thousand, three hundred nineteen".

Divisors: 1 41 128959 5287319