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4538399 = 137157211
BaseRepresentation
bin10001010100000000011111
322112120111212
4101110000133
52130212044
6241135035
753401325
oct21240037
98476455
104538399
11261a848
12162a47b
13c2b958
14861d15
155e9a9e
hex45401f

4538399 has 8 divisors (see below), whose sum is σ = 4622448. Its totient is φ = 4455360.

The previous prime is 4538333. The next prime is 4538407. The reversal of 4538399 is 9938354.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4538399 - 28 = 4538143 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4538329) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21404 + ... + 21614.

It is an arithmetic number, because the mean of its divisors is an integer number (577806).

Almost surely, 24538399 is an apocalyptic number.

4538399 is a deficient number, since it is larger than the sum of its proper divisors (84049).

4538399 is a wasteful number, since it uses less digits than its factorization.

4538399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 505.

The product of its digits is 116640, while the sum is 41.

The square root of 4538399 is about 2130.3518488738. The cubic root of 4538399 is about 165.5646282399.

The spelling of 4538399 in words is "four million, five hundred thirty-eight thousand, three hundred ninety-nine".

Divisors: 1 137 157 211 21509 28907 33127 4538399