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5340243 = 31780081
BaseRepresentation
bin10100010111110001010011
3101001022102210
4110113301103
52331341433
6310243203
763251136
oct24276123
911038383
105340243
113018227
121956503
13114c90c
149d021d
15707463
hex517c53

5340243 has 4 divisors (see below), whose sum is σ = 7120328. Its totient is φ = 3560160.

The previous prime is 5340239. The next prime is 5340253. The reversal of 5340243 is 3420435.

It is a happy number.

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

It is not a de Polignac number, because 5340243 - 22 = 5340239 is a prime.

It is a D-number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5340233) 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, 890038 + ... + 890043.

It is an arithmetic number, because the mean of its divisors is an integer number (1780082).

Almost surely, 25340243 is an apocalyptic number.

5340243 is a deficient number, since it is larger than the sum of its proper divisors (1780085).

5340243 is a wasteful number, since it uses less digits than its factorization.

5340243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1780084.

The product of its (nonzero) digits is 1440, while the sum is 21.

The square root of 5340243 is about 2310.8965792523. The cubic root of 5340243 is about 174.7915122592.

Adding to 5340243 its reverse (3420435), we get a palindrome (8760678).

The spelling of 5340243 in words is "five million, three hundred forty thousand, two hundred forty-three".

Divisors: 1 3 1780081 5340243