Base | Representation |
---|---|
bin | 110111000111… |
… | …1001011110011 |
3 | 2000101011122121 |
4 | 1232033023303 |
5 | 24344214120 |
6 | 2511215111 |
7 | 500425555 |
oct | 156171363 |
9 | 60334577 |
10 | 28898035 |
11 | 15348581 |
12 | 9817497 |
13 | 5caa53a |
14 | 3ba34d5 |
15 | 280c5aa |
hex | 1b8f2f3 |
28898035 has 4 divisors (see below), whose sum is σ = 34677648. Its totient is φ = 23118424.
The previous prime is 28898029. The next prime is 28898041. The reversal of 28898035 is 53089882.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 53089882 = 2 ⋅26544941.
It is an interprime number because it is at equal distance from previous prime (28898029) and next prime (28898041).
It is a cyclic number.
It is not a de Polignac number, because 28898035 - 215 = 28865267 is a prime.
It is a super-2 number, since 2×288980352 = 1670192853722450, which contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 28897982 and 28898000.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2889799 + ... + 2889808.
It is an arithmetic number, because the mean of its divisors is an integer number (8669412).
Almost surely, 228898035 is an apocalyptic number.
28898035 is a deficient number, since it is larger than the sum of its proper divisors (5779613).
28898035 is an equidigital number, since it uses as much as digits as its factorization.
28898035 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5779612.
The product of its (nonzero) digits is 138240, while the sum is 43.
The square root of 28898035 is about 5375.6892581324. The cubic root of 28898035 is about 306.8711806621.
The spelling of 28898035 in words is "twenty-eight million, eight hundred ninety-eight thousand, thirty-five".
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