Base | Representation |
---|---|
bin | 110101011101… |
… | …0010001011110 |
3 | 1221201212101011 |
4 | 1222322101132 |
5 | 24133312300 |
6 | 2440405434 |
7 | 460134211 |
oct | 152722136 |
9 | 57655334 |
10 | 28025950 |
11 | 14902347 |
12 | 947687a |
13 | 5a63604 |
14 | 3a17778 |
15 | 26d8eba |
hex | 1aba45e |
28025950 has 24 divisors (see below), whose sum is σ = 54873720. Its totient is φ = 10620000.
The previous prime is 28025947. The next prime is 28025951. The reversal of 28025950 is 5952082.
It is a happy number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (28025951) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13801 + ... + 15700.
It is an arithmetic number, because the mean of its divisors is an integer number (2286405).
Almost surely, 228025950 is an apocalyptic number.
28025950 is a deficient number, since it is larger than the sum of its proper divisors (26847770).
28025950 is a wasteful number, since it uses less digits than its factorization.
28025950 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 29532 (or 29527 counting only the distinct ones).
The product of its (nonzero) digits is 7200, while the sum is 31.
The square root of 28025950 is about 5293.9540987810. The cubic root of 28025950 is about 303.7526771315.
The spelling of 28025950 in words is "twenty-eight million, twenty-five thousand, nine hundred fifty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.078 sec. • engine limits •