Base | Representation |
---|---|
bin | 110111001100… |
… | …0011011011101 |
3 | 2000110002121001 |
4 | 1232120123131 |
5 | 24401422101 |
6 | 2512110301 |
7 | 500644141 |
oct | 156303335 |
9 | 60402531 |
10 | 28935901 |
11 | 15373a75 |
12 | 9835391 |
13 | 5cc1847 |
14 | 3bb3221 |
15 | 2818901 |
hex | 1b986dd |
28935901 has 8 divisors (see below), whose sum is σ = 29547360. Its totient is φ = 28328592.
The previous prime is 28935889. The next prime is 28935913. The reversal of 28935901 is 10953982.
It is an interprime number because it is at equal distance from previous prime (28935889) and next prime (28935913).
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 28935901 - 27 = 28935773 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (28935941) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15831 + ... + 17563.
It is an arithmetic number, because the mean of its divisors is an integer number (3693420).
Almost surely, 228935901 is an apocalyptic number.
It is an amenable number.
28935901 is a deficient number, since it is larger than the sum of its proper divisors (611459).
28935901 is a wasteful number, since it uses less digits than its factorization.
28935901 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2075.
The product of its (nonzero) digits is 19440, while the sum is 37.
The square root of 28935901 is about 5379.2100721203. The cubic root of 28935901 is about 307.0051564668.
The spelling of 28935901 in words is "twenty-eight million, nine hundred thirty-five thousand, nine hundred one".
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