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4538214 = 233312711
BaseRepresentation
bin10001010011111101100110
322112120021000
4101103331212
52130210324
6241134130
753400642
oct21237546
98476230
104538214
11261a69a
12162a346
13c2b845
14861c22
155e99c9
hex453f66

4538214 has 32 divisors (see below), whose sum is σ = 10414080. Its totient is φ = 1463400.

The previous prime is 4538197. The next prime is 4538227. The reversal of 4538214 is 4128354.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 319 + ... + 3029.

It is an arithmetic number, because the mean of its divisors is an integer number (325440).

Almost surely, 24538214 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4538214, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5207040).

4538214 is an abundant number, since it is smaller than the sum of its proper divisors (5875866).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4538214 is a wasteful number, since it uses less digits than its factorization.

4538214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2753 (or 2747 counting only the distinct ones).

The product of its digits is 3840, while the sum is 27.

The square root of 4538214 is about 2130.3084283737. The cubic root of 4538214 is about 165.5623785573.

The spelling of 4538214 in words is "four million, five hundred thirty-eight thousand, two hundred fourteen".

Divisors: 1 2 3 6 9 18 27 31 54 62 93 186 279 558 837 1674 2711 5422 8133 16266 24399 48798 73197 84041 146394 168082 252123 504246 756369 1512738 2269107 4538214