Search a number
-
+
4538272 = 25373833
BaseRepresentation
bin10001010011111110100000
322112120100011
4101103332200
52130211042
6241134304
753401054
oct21237640
98476304
104538272
11261a742
12162a394
13c2b88b
14861c64
155e9a17
hex453fa0

4538272 has 24 divisors (see below), whose sum is σ = 9178596. Its totient is φ = 2207232.

The previous prime is 4538267. The next prime is 4538323. The reversal of 4538272 is 2728354.

It can be written as a sum of positive squares in 2 ways, for example, as 4511376 + 26896 = 2124^2 + 164^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 733 + ... + 3100.

Almost surely, 24538272 is an apocalyptic number.

It is an amenable number.

4538272 is an abundant number, since it is smaller than the sum of its proper divisors (4640324).

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

4538272 is a wasteful number, since it uses less digits than its factorization.

4538272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3880 (or 3872 counting only the distinct ones).

The product of its digits is 13440, while the sum is 31.

The square root of 4538272 is about 2130.3220413825. The cubic root of 4538272 is about 165.5630838697.

It can be divided in two parts, 45382 and 72, that added together give a palindrome (45454).

The spelling of 4538272 in words is "four million, five hundred thirty-eight thousand, two hundred seventy-two".

Divisors: 1 2 4 8 16 32 37 74 148 296 592 1184 3833 7666 15332 30664 61328 122656 141821 283642 567284 1134568 2269136 4538272