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5291443 = 19278497
BaseRepresentation
bin10100001011110110110011
3100221211111101
4110023312303
52323311233
6305225231
762655643
oct24136663
910854441
105291443
112a945a3
121932217
131133641
149ba523
156e7c7d
hex50bdb3

5291443 has 4 divisors (see below), whose sum is σ = 5569960. Its totient is φ = 5012928.

The previous prime is 5291441. The next prime is 5291453. The reversal of 5291443 is 3441925.

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

It is a cyclic number.

It is not a de Polignac number, because 5291443 - 21 = 5291441 is a prime.

It is a Duffinian number.

5291443 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (5291441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 139230 + ... + 139267.

It is an arithmetic number, because the mean of its divisors is an integer number (1392490).

Almost surely, 25291443 is an apocalyptic number.

5291443 is a deficient number, since it is larger than the sum of its proper divisors (278517).

5291443 is a wasteful number, since it uses less digits than its factorization.

5291443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 278516.

The product of its digits is 4320, while the sum is 28.

The square root of 5291443 is about 2300.3136742627. The cubic root of 5291443 is about 174.2574578588.

The spelling of 5291443 in words is "five million, two hundred ninety-one thousand, four hundred forty-three".

Divisors: 1 19 278497 5291443