Base | Representation |
---|---|
bin | 110111001010… |
… | …1111111101110 |
3 | 2000102120220220 |
4 | 1232111333232 |
5 | 24401112214 |
6 | 2511552210 |
7 | 500603112 |
oct | 156257756 |
9 | 60376826 |
10 | 28925934 |
11 | 15367534 |
12 | 982b666 |
13 | 5cba14b |
14 | 3bad742 |
15 | 28159a9 |
hex | 1b95fee |
28925934 has 32 divisors (see below), whose sum is σ = 61477920. Its totient is φ = 9055872.
The previous prime is 28925921. The next prime is 28926011. The reversal of 28925934 is 43952982.
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, 4192 + ... + 8684.
It is an arithmetic number, because the mean of its divisors is an integer number (1921185).
Almost surely, 228925934 is an apocalyptic number.
28925934 is an abundant number, since it is smaller than the sum of its proper divisors (32551986).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
28925934 is a wasteful number, since it uses less digits than its factorization.
28925934 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4564.
The product of its digits is 155520, while the sum is 42.
The square root of 28925934 is about 5378.2835551875. The cubic root of 28925934 is about 306.9699030078.
The spelling of 28925934 in words is "twenty-eight million, nine hundred twenty-five thousand, nine hundred thirty-four".
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