Base | Representation |
---|---|
bin | 110101110111… |
… | …1000110010111 |
3 | 1222010212012010 |
4 | 1223233012113 |
5 | 24212223302 |
6 | 2445155303 |
7 | 462025101 |
oct | 153570627 |
9 | 58125163 |
10 | 28242327 |
11 | 14a3a973 |
12 | 955bb33 |
13 | 5b0ac49 |
14 | 3a72571 |
15 | 272d16c |
hex | 1aef197 |
28242327 has 16 divisors (see below), whose sum is σ = 38521728. Its totient is φ = 18400800.
The previous prime is 28242323. The next prime is 28242337. The reversal of 28242327 is 72324282.
It is not a de Polignac number, because 28242327 - 22 = 28242323 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 28242294 and 28242303.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (28242323) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24588 + ... + 25710.
It is an arithmetic number, because the mean of its divisors is an integer number (2407608).
Almost surely, 228242327 is an apocalyptic number.
28242327 is a deficient number, since it is larger than the sum of its proper divisors (10279401).
28242327 is a wasteful number, since it uses less digits than its factorization.
28242327 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1310.
The product of its digits is 10752, while the sum is 30.
The square root of 28242327 is about 5314.3510422252. The cubic root of 28242327 is about 304.5323910420.
It can be divided in two parts, 2824 and 2327, that added together give a triangular number (5151 = T101).
The spelling of 28242327 in words is "twenty-eight million, two hundred forty-two thousand, three hundred twenty-seven".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.075 sec. • engine limits •