Base | Representation |
---|---|
bin | 110110110101… |
… | …1110010101001 |
3 | 2000002210210100 |
4 | 1231223302221 |
5 | 24330044230 |
6 | 2504140013 |
7 | 466253115 |
oct | 155536251 |
9 | 60083710 |
10 | 28753065 |
11 | 15259670 |
12 | 9767609 |
13 | 5c59563 |
14 | 3b66745 |
15 | 27ce660 |
hex | 1b6bca9 |
28753065 has 48 divisors (see below), whose sum is σ = 56272320. Its totient is φ = 13453440.
The previous prime is 28753057. The next prime is 28753073. The reversal of 28753065 is 56035782.
It is an interprime number because it is at equal distance from previous prime (28753057) and next prime (28753073).
It is not a de Polignac number, because 28753065 - 23 = 28753057 is a prime.
It is an unprimeable number.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 13354 + ... + 15356.
It is an arithmetic number, because the mean of its divisors is an integer number (1172340).
Almost surely, 228753065 is an apocalyptic number.
It is an amenable number.
28753065 is a deficient number, since it is larger than the sum of its proper divisors (27519255).
28753065 is a wasteful number, since it uses less digits than its factorization.
28753065 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2054 (or 2051 counting only the distinct ones).
The product of its (nonzero) digits is 50400, while the sum is 36.
The square root of 28753065 is about 5362.1884524884. The cubic root of 28753065 is about 306.3571697672.
The spelling of 28753065 in words is "twenty-eight million, seven hundred fifty-three thousand, sixty-five".
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