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28822697 = 1071671613
BaseRepresentation
bin110110111110…
…0110010101001
32000020100022022
41231330302221
524334311242
62505434225
7466663121
oct155746251
960210268
1028822697
11152a6a12
12979b975
135c82167
143b83c81
1527e50d2
hex1b7cca9

28822697 has 8 divisors (see below), whose sum is σ = 29284416. Its totient is φ = 28364752.

The previous prime is 28822693. The next prime is 28822711. The reversal of 28822697 is 79622882.

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

It is a cyclic number.

It is not a de Polignac number, because 28822697 - 22 = 28822693 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28822691) 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, 17063 + ... + 18675.

It is an arithmetic number, because the mean of its divisors is an integer number (3660552).

Almost surely, 228822697 is an apocalyptic number.

It is an amenable number.

28822697 is a deficient number, since it is larger than the sum of its proper divisors (461719).

28822697 is a wasteful number, since it uses less digits than its factorization.

28822697 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1887.

The product of its digits is 193536, while the sum is 44.

The square root of 28822697 is about 5368.6773976465. The cubic root of 28822697 is about 306.6042746154.

The spelling of 28822697 in words is "twenty-eight million, eight hundred twenty-two thousand, six hundred ninety-seven".

Divisors: 1 107 167 1613 17869 172591 269371 28822697