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28822826 = 217538221
BaseRepresentation
bin110110111110…
…0110100101010
32000020100111002
41231330310222
524334312301
62505435002
7466663364
oct155746452
960210432
1028822826
11152a701a
12979ba62
135c82236
143b83d34
1527e516b
hex1b7cd2a

28822826 has 8 divisors (see below), whose sum is σ = 43264164. Its totient is φ = 14401440.

The previous prime is 28822823. The next prime is 28822853. The reversal of 28822826 is 62822882.

It can be written as a sum of positive squares in 2 ways, for example, as 28783225 + 39601 = 5365^2 + 199^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 28822826.

It is not an unprimeable number, because it can be changed into a prime (28822823) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 605 + ... + 7616.

Almost surely, 228822826 is an apocalyptic number.

28822826 is a deficient number, since it is larger than the sum of its proper divisors (14441338).

28822826 is a wasteful number, since it uses less digits than its factorization.

28822826 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9976.

The product of its digits is 49152, while the sum is 38.

The square root of 28822826 is about 5368.6894117652. The cubic root of 28822826 is about 306.6047320314.

The spelling of 28822826 in words is "twenty-eight million, eight hundred twenty-two thousand, eight hundred twenty-six".

Divisors: 1 2 1753 3506 8221 16442 14411413 28822826