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5418389 = 29186841
BaseRepresentation
bin10100101010110110010101
3101012021122002
4110222312111
52341342024
6312045045
764025024
oct24526625
911167562
105418389
113070a09
121993785
131179362
14a108bb
157206ae
hex52ad95

5418389 has 4 divisors (see below), whose sum is σ = 5605260. Its totient is φ = 5231520.

The previous prime is 5418377. The next prime is 5418407. The reversal of 5418389 is 9838145.

5418389 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in 2 ways, for example, as 966289 + 4452100 = 983^2 + 2110^2 .

It is a cyclic number.

It is not a de Polignac number, because 5418389 - 212 = 5414293 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5418289) 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, 93392 + ... + 93449.

It is an arithmetic number, because the mean of its divisors is an integer number (1401315).

Almost surely, 25418389 is an apocalyptic number.

It is an amenable number.

5418389 is a deficient number, since it is larger than the sum of its proper divisors (186871).

5418389 is a wasteful number, since it uses less digits than its factorization.

5418389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186870.

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

The square root of 5418389 is about 2327.7433277748. The cubic root of 5418389 is about 175.6399859301.

The spelling of 5418389 in words is "five million, four hundred eighteen thousand, three hundred eighty-nine".

Divisors: 1 29 186841 5418389