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28883494 = 246131327
BaseRepresentation
bin110111000101…
…1101000100110
32000100102201001
41232023220212
524343232434
62511023514
7500335303
oct156135046
960312631
1028883494
1115338662
12980ab9a
135ca3a33
143b9c0aa
152808114
hex1b8ba26

28883494 has 8 divisors (see below), whose sum is σ = 43420608. Its totient is φ = 14409960.

The previous prime is 28883479. The next prime is 28883513. The reversal of 28883494 is 49438882.

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

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, 14742 + ... + 16585.

It is an arithmetic number, because the mean of its divisors is an integer number (5427576).

Almost surely, 228883494 is an apocalyptic number.

28883494 is a deficient number, since it is larger than the sum of its proper divisors (14537114).

28883494 is a wasteful number, since it uses less digits than its factorization.

28883494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31790.

The product of its digits is 442368, while the sum is 46.

The square root of 28883494 is about 5374.3366102246. The cubic root of 28883494 is about 306.8197012393.

The spelling of 28883494 in words is "twenty-eight million, eight hundred eighty-three thousand, four hundred ninety-four".

Divisors: 1 2 461 922 31327 62654 14441747 28883494