Base | Representation |
---|---|
bin | 110110001000… |
… | …0111000010111 |
3 | 1222101212222212 |
4 | 1230100320113 |
5 | 24231140240 |
6 | 2452144035 |
7 | 463142360 |
oct | 154207027 |
9 | 58355885 |
10 | 28380695 |
11 | 15024922 |
12 | 960801b |
13 | 5b58c15 |
14 | 3aaab67 |
15 | 2759165 |
hex | 1b10e17 |
28380695 has 16 divisors (see below), whose sum is σ = 39009600. Its totient is φ = 19417344.
The previous prime is 28380673. The next prime is 28380707. The reversal of 28380695 is 59608382.
It is a cyclic number.
It is not a de Polignac number, because 28380695 - 26 = 28380631 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26531 + ... + 27579.
It is an arithmetic number, because the mean of its divisors is an integer number (2438100).
Almost surely, 228380695 is an apocalyptic number.
28380695 is a deficient number, since it is larger than the sum of its proper divisors (10628905).
28380695 is a wasteful number, since it uses less digits than its factorization.
28380695 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1834.
The product of its (nonzero) digits is 103680, while the sum is 41.
The square root of 28380695 is about 5327.3534705330. The cubic root of 28380695 is about 305.0289142166.
The spelling of 28380695 in words is "twenty-eight million, three hundred eighty thousand, six hundred ninety-five".
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