Base | Representation |
---|---|
bin | 110110000011… |
… | …0001110000001 |
3 | 1222022200002110 |
4 | 1230012032001 |
5 | 24223241100 |
6 | 2451205533 |
7 | 462601143 |
oct | 154061601 |
9 | 58280073 |
10 | 28337025 |
11 | 14aa5032 |
12 | 95a68a9 |
13 | 5b42092 |
14 | 3a98c93 |
15 | 274b250 |
hex | 1b06381 |
28337025 has 12 divisors (see below), whose sum is σ = 46850672. Its totient is φ = 15113040.
The previous prime is 28337009. The next prime is 28337041. The reversal of 28337025 is 52073382.
It is an interprime number because it is at equal distance from previous prime (28337009) and next prime (28337041).
It is not a de Polignac number, because 28337025 - 24 = 28337009 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 28336983 and 28337001.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 188839 + ... + 188988.
Almost surely, 228337025 is an apocalyptic number.
28337025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
It is an amenable number.
28337025 is a deficient number, since it is larger than the sum of its proper divisors (18513647).
28337025 is a wasteful number, since it uses less digits than its factorization.
28337025 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 377840 (or 377835 counting only the distinct ones).
The product of its (nonzero) digits is 10080, while the sum is 30.
The square root of 28337025 is about 5323.2532346301. The cubic root of 28337025 is about 304.8723823350.
The spelling of 28337025 in words is "twenty-eight million, three hundred thirty-seven thousand, twenty-five".
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