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28610328 = 2331192097
BaseRepresentation
bin110110100100…
…0111100011000
31222211112222210
41231020330120
524311012303
62501115120
7465120015
oct155107430
958745883
1028610328
11151713aa
1296b8aa0
135c095b6
143b2a70c
1527a2203
hex1b48f18

28610328 has 16 divisors (see below), whose sum is σ = 71525880. Its totient is φ = 9536768.

The previous prime is 28610317. The next prime is 28610341. The reversal of 28610328 is 82301682.

It is a junction number, because it is equal to n+sod(n) for n = 28610295 and 28610304.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 596025 + ... + 596072.

Almost surely, 228610328 is an apocalyptic number.

It is an amenable number.

28610328 is an abundant number, since it is smaller than the sum of its proper divisors (42915552).

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

28610328 is a wasteful number, since it uses less digits than its factorization.

28610328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1192106 (or 1192102 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 30.

The square root of 28610328 is about 5348.8623089401. The cubic root of 28610328 is about 305.8493854886.

The spelling of 28610328 in words is "twenty-eight million, six hundred ten thousand, three hundred twenty-eight".

Divisors: 1 2 3 4 6 8 12 24 1192097 2384194 3576291 4768388 7152582 9536776 14305164 28610328