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28936601 = 1719101887
BaseRepresentation
bin110111001100…
…0100110011001
32000110010112222
41232120212121
524401432401
62512113425
7500646161
oct156304631
960403488
1028936601
1115374551
129835875
135cc1c65
143bb35a1
152818c1b
hex1b98999

28936601 has 16 divisors (see below), whose sum is σ = 32607360. Its totient is φ = 25516800.

The previous prime is 28936541. The next prime is 28936613. The reversal of 28936601 is 10663982.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-28936601 is a prime.

It is not an unprimeable number, because it can be changed into a prime (28936301) 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 15 ways as a sum of consecutive naturals, for example, 32180 + ... + 33066.

It is an arithmetic number, because the mean of its divisors is an integer number (2037960).

Almost surely, 228936601 is an apocalyptic number.

It is an amenable number.

28936601 is a deficient number, since it is larger than the sum of its proper divisors (3670759).

28936601 is a wasteful number, since it uses less digits than its factorization.

28936601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1024.

The product of its (nonzero) digits is 15552, while the sum is 35.

The square root of 28936601 is about 5379.2751370422. The cubic root of 28936601 is about 307.0076320752.

The spelling of 28936601 in words is "twenty-eight million, nine hundred thirty-six thousand, six hundred one".

Divisors: 1 17 19 101 323 887 1717 1919 15079 16853 32623 89587 286501 1522979 1702153 28936601