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5427291 = 31809097
BaseRepresentation
bin10100101101000001011011
3101012201211210
4110231001123
52342133131
6312154203
764063002
oct24550133
911181753
105427291
113077671
121998963
13118041c
14a13c39
15723146
hex52d05b

5427291 has 4 divisors (see below), whose sum is σ = 7236392. Its totient is φ = 3618192.

The previous prime is 5427283. The next prime is 5427329. The reversal of 5427291 is 1927245.

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

It is not a de Polignac number, because 5427291 - 23 = 5427283 is a prime.

It is an Ulam number.

It is a D-number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5427251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 904546 + ... + 904551.

It is an arithmetic number, because the mean of its divisors is an integer number (1809098).

Almost surely, 25427291 is an apocalyptic number.

5427291 is a deficient number, since it is larger than the sum of its proper divisors (1809101).

5427291 is a wasteful number, since it uses less digits than its factorization.

5427291 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1809100.

The product of its digits is 5040, while the sum is 30.

The square root of 5427291 is about 2329.6546954431. The cubic root of 5427291 is about 175.7361210035.

The spelling of 5427291 in words is "five million, four hundred twenty-seven thousand, two hundred ninety-one".

Divisors: 1 3 1809097 5427291