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28922795 = 511525869
BaseRepresentation
bin110111001010…
…1001110101011
32000102102121122
41232111032223
524401012140
62511525455
7500561006
oct156251653
960372548
1028922795
1115365140
12982988b
135cb88a5
143bac53d
152814ab5
hex1b953ab

28922795 has 8 divisors (see below), whose sum is σ = 37862640. Its totient is φ = 21034720.

The previous prime is 28922779. The next prime is 28922821. The reversal of 28922795 is 59722982.

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

It is not a de Polignac number, because 28922795 - 24 = 28922779 is a prime.

It is a super-2 number, since 2×289227952 = 1673056141224050, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 262880 + ... + 262989.

It is an arithmetic number, because the mean of its divisors is an integer number (4732830).

Almost surely, 228922795 is an apocalyptic number.

28922795 is a deficient number, since it is larger than the sum of its proper divisors (8939845).

28922795 is a wasteful number, since it uses less digits than its factorization.

28922795 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 525885.

The product of its digits is 181440, while the sum is 44.

The square root of 28922795 is about 5377.9917255422. The cubic root of 28922795 is about 306.9587986314.

The spelling of 28922795 in words is "twenty-eight million, nine hundred twenty-two thousand, seven hundred ninety-five".

Divisors: 1 5 11 55 525869 2629345 5784559 28922795