Base | Representation |
---|---|
bin | 110111001100… |
… | …1101011101110 |
3 | 2000110100122022 |
4 | 1232121223232 |
5 | 24402103123 |
6 | 2512150142 |
7 | 500665130 |
oct | 156315356 |
9 | 60410568 |
10 | 28941038 |
11 | 15377915 |
12 | 9838352 |
13 | 5cc3c99 |
14 | 3bb5050 |
15 | 281a1c8 |
hex | 1b99aee |
28941038 has 48 divisors (see below), whose sum is σ = 55171584. Its totient is φ = 11130240.
The previous prime is 28941007. The next prime is 28941041. The reversal of 28941038 is 83014982.
It is a happy number.
It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.
It is a junction number, because it is equal to n+sod(n) for n = 28940989 and 28941007.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 92903 + ... + 93213.
It is an arithmetic number, because the mean of its divisors is an integer number (1149408).
Almost surely, 228941038 is an apocalyptic number.
28941038 is a deficient number, since it is larger than the sum of its proper divisors (26230546).
28941038 is a wasteful number, since it uses less digits than its factorization.
28941038 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 377 (or 360 counting only the distinct ones).
The product of its (nonzero) digits is 13824, while the sum is 35.
The square root of 28941038 is about 5379.6875373947. The cubic root of 28941038 is about 307.0233229672.
The spelling of 28941038 in words is "twenty-eight million, nine hundred forty-one thousand, thirty-eight".
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