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28332027 = 323148003
BaseRepresentation
bin110110000010…
…0111111111011
31222022102020100
41230010333323
524223111102
62451130443
7462550443
oct154047773
958272210
1028332027
1114aa12a9
1295a3a23
135b3ca19
143a97123
152749a1c
hex1b04ffb

28332027 has 6 divisors (see below), whose sum is σ = 40924052. Its totient is φ = 18888012.

The previous prime is 28332001. The next prime is 28332061. The reversal of 28332027 is 72023382.

It is not a de Polignac number, because 28332027 - 210 = 28331003 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28332077) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1573993 + ... + 1574010.

Almost surely, 228332027 is an apocalyptic number.

28332027 is a deficient number, since it is larger than the sum of its proper divisors (12592025).

28332027 is a wasteful number, since it uses less digits than its factorization.

28332027 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3148009 (or 3148006 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 27.

The square root of 28332027 is about 5322.7837641595. The cubic root of 28332027 is about 304.8544571204.

The spelling of 28332027 in words is "twenty-eight million, three hundred thirty-two thousand, twenty-seven".

Divisors: 1 3 9 3148003 9444009 28332027