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28526052 = 2236433697
BaseRepresentation
bin110110011010…
…0010111100100
31222200021101110
41230310113210
524300313202
62455225020
7464316222
oct154642744
958607343
1028526052
1115114055
129678170
135baa129
143b07b12
15278726c
hex1b345e4

28526052 has 24 divisors (see below), whose sum is σ = 66682336. Its totient is φ = 9491328.

The previous prime is 28526033. The next prime is 28526077. The reversal of 28526052 is 25062582.

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 7 ways as a sum of consecutive naturals, for example, 5868 + ... + 9564.

Almost surely, 228526052 is an apocalyptic number.

It is an amenable number.

28526052 is an abundant number, since it is smaller than the sum of its proper divisors (38156284).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28526052 is a wasteful number, since it uses less digits than its factorization.

28526052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4347 (or 4345 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 30.

The square root of 28526052 is about 5340.9785620240. The cubic root of 28526052 is about 305.5487817684.

The spelling of 28526052 in words is "twenty-eight million, five hundred twenty-six thousand, fifty-two".

Divisors: 1 2 3 4 6 12 643 1286 1929 2572 3697 3858 7394 7716 11091 14788 22182 44364 2377171 4754342 7131513 9508684 14263026 28526052