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28229846 = 218177983
BaseRepresentation
bin110101110110…
…0000011010110
31222010020001212
41223230003112
524211323341
62445021422
7461643521
oct153540326
958106055
1028229846
1114a31557
129554872
135b05368
143a6bbb8
1527295eb
hex1aec0d6

28229846 has 8 divisors (see below), whose sum is σ = 42579264. Its totient is φ = 14036760.

The previous prime is 28229837. The next prime is 28229857. The reversal of 28229846 is 64892282.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 38630 + ... + 39353.

It is an arithmetic number, because the mean of its divisors is an integer number (5322408).

Almost surely, 228229846 is an apocalyptic number.

28229846 is a deficient number, since it is larger than the sum of its proper divisors (14349418).

28229846 is a wasteful number, since it uses less digits than its factorization.

28229846 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78166.

The product of its digits is 110592, while the sum is 41.

The square root of 28229846 is about 5313.1766392621. The cubic root of 28229846 is about 304.4875242385.

The spelling of 28229846 in words is "twenty-eight million, two hundred twenty-nine thousand, eight hundred forty-six".

Divisors: 1 2 181 362 77983 155966 14114923 28229846