Base | Representation |
---|---|
bin | 110110111000… |
… | …1001100011011 |
3 | 2000010221010222 |
4 | 1231301030123 |
5 | 24331301240 |
6 | 2504430255 |
7 | 466404461 |
oct | 155611433 |
9 | 60127128 |
10 | 28775195 |
11 | 15274259 |
12 | 977838b |
13 | 5c66657 |
14 | 3b70831 |
15 | 27d5eb5 |
hex | 1b7131b |
28775195 has 8 divisors (see below), whose sum is σ = 34617120. Its totient is φ = 22962240.
The previous prime is 28775179. The next prime is 28775207. The reversal of 28775195 is 59157782.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 28775195 - 24 = 28775179 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, 4991 + ... + 9080.
It is an arithmetic number, because the mean of its divisors is an integer number (4327140).
Almost surely, 228775195 is an apocalyptic number.
28775195 is a deficient number, since it is larger than the sum of its proper divisors (5841925).
28775195 is a wasteful number, since it uses less digits than its factorization.
28775195 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 14485.
The product of its digits is 176400, while the sum is 44.
The square root of 28775195 is about 5364.2515787386. The cubic root of 28775195 is about 306.4357462664.
The spelling of 28775195 in words is "twenty-eight million, seven hundred seventy-five thousand, one hundred ninety-five".
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