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28532826 = 2327226451
BaseRepresentation
bin110110011011…
…0000001011010
31222200121200100
41230312001122
524301022301
62455320230
7464345040
oct154660132
958617610
1028532826
1115119153
129680076
135bb023a
143b0a390
152789286
hex1b3605a

28532826 has 24 divisors (see below), whose sum is σ = 70653024. Its totient is φ = 8152200.

The previous prime is 28532797. The next prime is 28532831. The reversal of 28532826 is 62823582.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 113100 + ... + 113351.

It is an arithmetic number, because the mean of its divisors is an integer number (2943876).

Almost surely, 228532826 is an apocalyptic number.

28532826 is an abundant number, since it is smaller than the sum of its proper divisors (42120198).

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

28532826 is a wasteful number, since it uses less digits than its factorization.

28532826 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226466 (or 226463 counting only the distinct ones).

The product of its digits is 46080, while the sum is 36.

The square root of 28532826 is about 5341.6126778343. The cubic root of 28532826 is about 305.5729657860.

The spelling of 28532826 in words is "twenty-eight million, five hundred thirty-two thousand, eight hundred twenty-six".

Divisors: 1 2 3 6 7 9 14 18 21 42 63 126 226451 452902 679353 1358706 1585157 2038059 3170314 4076118 4755471 9510942 14266413 28532826