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28329367 = 112257911
BaseRepresentation
bin110110000010…
…0010110010111
31222022021120211
41230010112113
524223014432
62451110251
7462536623
oct154042627
958267524
1028329367
1114a9a300
1295a2387
135b3b751
143a96183
152748d47
hex1b04597

28329367 has 12 divisors (see below), whose sum is σ = 31294368. Its totient is φ = 25625600.

The previous prime is 28329359. The next prime is 28329397. The reversal of 28329367 is 76392382.

It is not a de Polignac number, because 28329367 - 23 = 28329359 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28329397) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 30642 + ... + 31552.

It is an arithmetic number, because the mean of its divisors is an integer number (2607864).

Almost surely, 228329367 is an apocalyptic number.

28329367 is a deficient number, since it is larger than the sum of its proper divisors (2965001).

28329367 is a wasteful number, since it uses less digits than its factorization.

28329367 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1190 (or 1179 counting only the distinct ones).

The product of its digits is 108864, while the sum is 40.

The square root of 28329367 is about 5322.5338890419. The cubic root of 28329367 is about 304.8449162307.

The spelling of 28329367 in words is "twenty-eight million, three hundred twenty-nine thousand, three hundred sixty-seven".

Divisors: 1 11 121 257 911 2827 10021 31097 110231 234127 2575397 28329367