Base | Representation |
---|---|
bin | 110111000111… |
… | …1010100100011 |
3 | 2000101012102100 |
4 | 1232033110203 |
5 | 24344223340 |
6 | 2511221443 |
7 | 500430315 |
oct | 156172443 |
9 | 60335370 |
10 | 28898595 |
11 | 15348a40 |
12 | 9817883 |
13 | 5caa87b |
14 | 3ba37b5 |
15 | 280c830 |
hex | 1b8f523 |
28898595 has 48 divisors (see below), whose sum is σ = 55411200. Its totient is φ = 13815360.
The previous prime is 28898543. The next prime is 28898599. The reversal of 28898595 is 59589882.
It is not a de Polignac number, because 28898595 - 28 = 28898339 is a prime.
It is not an unprimeable number, because it can be changed into a prime (28898599) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 38736 + ... + 39474.
It is an arithmetic number, because the mean of its divisors is an integer number (1154400).
Almost surely, 228898595 is an apocalyptic number.
28898595 is a deficient number, since it is larger than the sum of its proper divisors (26512605).
28898595 is a wasteful number, since it uses less digits than its factorization.
28898595 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 840 (or 837 counting only the distinct ones).
The product of its digits is 2073600, while the sum is 54.
The square root of 28898595 is about 5375.7413442241. The cubic root of 28898595 is about 306.8731628817.
The spelling of 28898595 in words is "twenty-eight million, eight hundred ninety-eight thousand, five hundred ninety-five".
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