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5243291 = 43121937
BaseRepresentation
bin10100000000000110011011
3100212101102222
4110000012123
52320241131
6304214255
762365364
oct24000633
910771388
105243291
112a613a9
12190a38b
131117751
149a6b6b
156d887b
hex50019b

5243291 has 4 divisors (see below), whose sum is σ = 5365272. Its totient is φ = 5121312.

The previous prime is 5243281. The next prime is 5243317. The reversal of 5243291 is 1923425.

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-5243291 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 5243291.

It is not an unprimeable number, because it can be changed into a prime (5243201) 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, 60926 + ... + 61011.

It is an arithmetic number, because the mean of its divisors is an integer number (1341318).

Almost surely, 25243291 is an apocalyptic number.

5243291 is a deficient number, since it is larger than the sum of its proper divisors (121981).

5243291 is a wasteful number, since it uses less digits than its factorization.

5243291 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121980.

The product of its digits is 2160, while the sum is 26.

The square root of 5243291 is about 2289.8233556325. The cubic root of 5243291 is about 173.7272668358.

The spelling of 5243291 in words is "five million, two hundred forty-three thousand, two hundred ninety-one".

Divisors: 1 43 121937 5243291