Base | Representation |
---|---|
bin | 110111000010… |
… | …0011011000011 |
3 | 2000021221012000 |
4 | 1232010123003 |
5 | 24341311310 |
6 | 2510235043 |
7 | 500153214 |
oct | 156043303 |
9 | 60257160 |
10 | 28853955 |
11 | 15318449 |
12 | 97b5a83 |
13 | 5c93460 |
14 | 3b9140b |
15 | 27ee4c0 |
hex | 1b846c3 |
28853955 has 64 divisors (see below), whose sum is σ = 56730240. Its totient is φ = 13824000.
The previous prime is 28853953. The next prime is 28853959. The reversal of 28853955 is 55935882.
It is not a de Polignac number, because 28853955 - 21 = 28853953 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (45).
It is a self number, because there is not a number n which added to its sum of digits gives 28853955.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (28853953) by changing a digit.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 71755 + ... + 72155.
It is an arithmetic number, because the mean of its divisors is an integer number (886410).
Almost surely, 228853955 is an apocalyptic number.
28853955 is a deficient number, since it is larger than the sum of its proper divisors (27876285).
28853955 is a wasteful number, since it uses less digits than its factorization.
28853955 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 469 (or 463 counting only the distinct ones).
The product of its digits is 432000, while the sum is 45.
The square root of 28853955 is about 5371.5877541003. The cubic root of 28853955 is about 306.7150712556.
The spelling of 28853955 in words is "twenty-eight million, eight hundred fifty-three thousand, nine hundred fifty-five".
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