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828689223 = 3793496579
BaseRepresentation
bin110001011001001…
…100101101000111
32010202022202220110
4301121030231013
53144121023343
6214121404103
726351512365
oct6131145507
92122282813
10828689223
1139585652a
121b1639633
131028b936b
147c0b6635
154cb42833
hex3164cb47

828689223 has 8 divisors (see below), whose sum is σ = 1118905600. Its totient is φ = 545466168.

The previous prime is 828689221. The next prime is 828689231. The reversal of 828689223 is 322986828.

828689223 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 828689223 - 21 = 828689221 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (828689221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1748053 + ... + 1748526.

It is an arithmetic number, because the mean of its divisors is an integer number (139863200).

Almost surely, 2828689223 is an apocalyptic number.

828689223 is a deficient number, since it is larger than the sum of its proper divisors (290216377).

828689223 is a wasteful number, since it uses less digits than its factorization.

828689223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3496661.

The product of its digits is 663552, while the sum is 48.

The square root of 828689223 is about 28786.9627262065. The cubic root of 828689223 is about 939.2846613647.

The spelling of 828689223 in words is "eight hundred twenty-eight million, six hundred eighty-nine thousand, two hundred twenty-three".

Divisors: 1 3 79 237 3496579 10489737 276229741 828689223