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28383327 = 327450529
BaseRepresentation
bin110110001000…
…1100001011111
31222102000121100
41230101201133
524231231302
62452204143
7463153140
oct154214137
958360540
1028383327
11150268a5
129609653
135b5a18b
143aabac7
152759d1c
hex1b1185f

28383327 has 12 divisors (see below), whose sum is σ = 46855120. Its totient is φ = 16219008.

The previous prime is 28383281. The next prime is 28383371. The reversal of 28383327 is 72338382.

It is not a de Polignac number, because 28383327 - 26 = 28383263 is a prime.

It is a super-2 number, since 2×283833272 = 1611226503177858, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 28383291 and 28383300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28283327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 225202 + ... + 225327.

Almost surely, 228383327 is an apocalyptic number.

28383327 is a deficient number, since it is larger than the sum of its proper divisors (18471793).

28383327 is a wasteful number, since it uses less digits than its factorization.

28383327 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 450542 (or 450539 counting only the distinct ones).

The product of its digits is 48384, while the sum is 36.

The square root of 28383327 is about 5327.6004917786. The cubic root of 28383327 is about 305.0383432937.

The spelling of 28383327 in words is "twenty-eight million, three hundred eighty-three thousand, three hundred twenty-seven".

Divisors: 1 3 7 9 21 63 450529 1351587 3153703 4054761 9461109 28383327