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28238596 = 2226572
BaseRepresentation
bin110101110111…
…0001100000100
31222010200001221
41223232030010
524212113341
62445130124
7462011161
oct153561404
958120057
1028238596
1114a38091
129559944
135b09339
143a71068
15272bed1
hex1aee304

28238596 has 9 divisors (see below), whose sum is σ = 49436149. Its totient is φ = 14113984.

The previous prime is 28238591. The next prime is 28238597. The reversal of 28238596 is 69583282.

The square root of 28238596 is 5314.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 18404100 + 9834496 = 4290^2 + 3136^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28238591) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 9300 + ... + 11956.

Almost surely, 228238596 is an apocalyptic number.

28238596 is the 5314-th square number.

It is an amenable number.

28238596 is a deficient number, since it is larger than the sum of its proper divisors (21197553).

28238596 is an frugal number, since it uses more digits than its factorization.

28238596 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5318 (or 2659 counting only the distinct ones).

The product of its digits is 207360, while the sum is 43.

The cubic root of 28238596 is about 304.5189801973.

The spelling of 28238596 in words is "twenty-eight million, two hundred thirty-eight thousand, five hundred ninety-six".

Divisors: 1 2 4 2657 5314 10628 7059649 14119298 28238596