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5418839 = 25121589
BaseRepresentation
bin10100101010111101010111
3101012022020202
4110222331113
52341400324
6312051115
764026236
oct24527527
911168222
105418839
113071288
121993a9b
13117961a
14a10b1d
157208ae
hex52af57

5418839 has 4 divisors (see below), whose sum is σ = 5440680. Its totient is φ = 5397000.

The previous prime is 5418799. The next prime is 5418851. The reversal of 5418839 is 9388145.

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-5418839 is a prime.

It is a super-2 number, since 2×54188392 = 58727632215842, 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 (5418859) 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, 10544 + ... + 11045.

It is an arithmetic number, because the mean of its divisors is an integer number (1360170).

Almost surely, 25418839 is an apocalyptic number.

5418839 is a deficient number, since it is larger than the sum of its proper divisors (21841).

5418839 is a wasteful number, since it uses less digits than its factorization.

5418839 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21840.

The product of its digits is 34560, while the sum is 38.

The square root of 5418839 is about 2327.8399859097. The cubic root of 5418839 is about 175.6448481260.

The spelling of 5418839 in words is "five million, four hundred eighteen thousand, eight hundred thirty-nine".

Divisors: 1 251 21589 5418839