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28468632 = 2335322381
BaseRepresentation
bin110110010011…
…0010110011000
31222120100121210
41230212112120
524241444012
62454103120
7463656633
oct154462630
958510553
1028468632
11150849a5
12964aaa0
135b89c5a
143ad0c1a
15277523c
hex1b26598

28468632 has 32 divisors (see below), whose sum is σ = 72517680. Its totient is φ = 9310080.

The previous prime is 28468619. The next prime is 28468679. The reversal of 28468632 is 23686482.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9919 + ... + 12462.

Almost surely, 228468632 is an apocalyptic number.

It is an amenable number.

28468632 is an abundant number, since it is smaller than the sum of its proper divisors (44049048).

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

28468632 is a wasteful number, since it uses less digits than its factorization.

28468632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22443 (or 22439 counting only the distinct ones).

The product of its digits is 110592, while the sum is 39.

The square root of 28468632 is about 5335.6004348152. The cubic root of 28468632 is about 305.3436313319.

The spelling of 28468632 in words is "twenty-eight million, four hundred sixty-eight thousand, six hundred thirty-two".

Divisors: 1 2 3 4 6 8 12 24 53 106 159 212 318 424 636 1272 22381 44762 67143 89524 134286 179048 268572 537144 1186193 2372386 3558579 4744772 7117158 9489544 14234316 28468632