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5438169 = 3211163337
BaseRepresentation
bin10100101111101011011001
3101020021202200
4110233223121
52343010134
6312320413
764136502
oct24575331
911207680
105438169
113084860
1219a3109
131185369
14a17ba9
15726499
hex52fad9

5438169 has 24 divisors (see below), whose sum is σ = 8647392. Its totient is φ = 3265920.

The previous prime is 5438159. The next prime is 5438177. The reversal of 5438169 is 9618345.

It is not a de Polignac number, because 5438169 - 25 = 5438137 is a prime.

It is a super-2 number, since 2×54381692 = 59147364145122, which contains 22 as substring.

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

It is a Curzon number.

5438169 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (5438129) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15969 + ... + 16305.

It is an arithmetic number, because the mean of its divisors is an integer number (360308).

Almost surely, 25438169 is an apocalyptic number.

It is an amenable number.

5438169 is a deficient number, since it is larger than the sum of its proper divisors (3209223).

5438169 is a wasteful number, since it uses less digits than its factorization.

5438169 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 517 (or 514 counting only the distinct ones).

The product of its digits is 25920, while the sum is 36.

The square root of 5438169 is about 2331.9882075174. The cubic root of 5438169 is about 175.8534528213.

The spelling of 5438169 in words is "five million, four hundred thirty-eight thousand, one hundred sixty-nine".

Divisors: 1 3 9 11 33 99 163 337 489 1011 1467 1793 3033 3707 5379 11121 16137 33363 54931 164793 494379 604241 1812723 5438169