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28822074 = 234803679
BaseRepresentation
bin110110111110…
…0101000111010
32000020022110020
41231330220322
524334301244
62505431310
7466661241
oct155745072
960208406
1028822074
11152a64a6
12979b536
135c81aa8
143b83958
1527e4d19
hex1b7ca3a

28822074 has 8 divisors (see below), whose sum is σ = 57644160. Its totient is φ = 9607356.

The previous prime is 28822063. The next prime is 28822099. The reversal of 28822074 is 47022882.

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

28822074 is an admirable number.

It is a super-2 number, since 2×288220742 = 1661423899322952, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2401834 + ... + 2401845.

It is an arithmetic number, because the mean of its divisors is an integer number (7205520).

Almost surely, 228822074 is an apocalyptic number.

28822074 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

28822074 is a wasteful number, since it uses less digits than its factorization.

28822074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4803684.

The product of its (nonzero) digits is 14336, while the sum is 33.

The square root of 28822074 is about 5368.6193755937. The cubic root of 28822074 is about 306.6020655249.

The spelling of 28822074 in words is "twenty-eight million, eight hundred twenty-two thousand, seventy-four".

Divisors: 1 2 3 6 4803679 9607358 14411037 28822074