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28273195 = 56192699
BaseRepresentation
bin110101111011…
…0101000101011
31222012102112101
41223312220223
524214220240
62445554231
7462214066
oct153665053
958172471
1028273195
1114a61085
129575977
135b1c002
143a7d8dd
15273739a
hex1af6a2b

28273195 has 8 divisors (see below), whose sum is σ = 34484400. Its totient is φ = 22247520.

The previous prime is 28273181. The next prime is 28273207. The reversal of 28273195 is 59137282.

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

It is not a de Polignac number, because 28273195 - 223 = 19884587 is a prime.

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, 46045 + ... + 46654.

It is an arithmetic number, because the mean of its divisors is an integer number (4310550).

Almost surely, 228273195 is an apocalyptic number.

28273195 is a deficient number, since it is larger than the sum of its proper divisors (6211205).

28273195 is an equidigital number, since it uses as much as digits as its factorization.

28273195 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92765.

The product of its digits is 30240, while the sum is 37.

The square root of 28273195 is about 5317.2544607156. The cubic root of 28273195 is about 304.6432988433.

The spelling of 28273195 in words is "twenty-eight million, two hundred seventy-three thousand, one hundred ninety-five".

Divisors: 1 5 61 305 92699 463495 5654639 28273195