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28326895 = 543359367
BaseRepresentation
bin110110000001…
…1101111101111
31222022011012021
41230003233233
524222430040
62451051011
7462526462
oct154035757
958264167
1028326895
1114a98463
1295a0a67
135b3a59c
143a952d9
15274824a
hex1b03bef

28326895 has 16 divisors (see below), whose sum is σ = 34974720. Its totient is φ = 22012704.

The previous prime is 28326889. The next prime is 28326911. The reversal of 28326895 is 59862382.

It is a cyclic number.

It is not a de Polignac number, because 28326895 - 23 = 28326887 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 77002 + ... + 77368.

It is an arithmetic number, because the mean of its divisors is an integer number (2185920).

Almost surely, 228326895 is an apocalyptic number.

28326895 is a deficient number, since it is larger than the sum of its proper divisors (6647825).

28326895 is a wasteful number, since it uses less digits than its factorization.

28326895 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 774.

The product of its digits is 207360, while the sum is 43.

The square root of 28326895 is about 5322.3016637541. The cubic root of 28326895 is about 304.8360491241.

The spelling of 28326895 in words is "twenty-eight million, three hundred twenty-six thousand, eight hundred ninety-five".

Divisors: 1 5 43 215 359 367 1795 1835 15437 15781 77185 78905 131753 658765 5665379 28326895