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28823698 = 227295281
BaseRepresentation
bin110110111110…
…1000010010010
32000020101200101
41231331002102
524334324243
62505443014
7466666051
oct155750222
960211611
1028823698
11152a7742
1297a046a
135c82757
143b84398
1527e554d
hex1b7d092

28823698 has 8 divisors (see below), whose sum is σ = 43259580. Its totient is φ = 14403840.

The previous prime is 28823693. The next prime is 28823713. The reversal of 28823698 is 89632882.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 28590409 + 233289 = 5347^2 + 483^2 .

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

It is not an unprimeable number, because it can be changed into a prime (28823693) by changing a digit.

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, 2818 + ... + 8098.

Almost surely, 228823698 is an apocalyptic number.

28823698 is a deficient number, since it is larger than the sum of its proper divisors (14435882).

28823698 is a wasteful number, since it uses less digits than its factorization.

28823698 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8012.

The product of its digits is 331776, while the sum is 46.

The square root of 28823698 is about 5368.7706227776. The cubic root of 28823698 is about 306.6078239863.

The spelling of 28823698 in words is "twenty-eight million, eight hundred twenty-three thousand, six hundred ninety-eight".

Divisors: 1 2 2729 5281 5458 10562 14411849 28823698