Base | Representation |
---|---|
bin | 110110111110… |
… | …0110110100110 |
3 | 2000020100122200 |
4 | 1231330312212 |
5 | 24334313300 |
6 | 2505435330 |
7 | 466663632 |
oct | 155746646 |
9 | 60210580 |
10 | 28822950 |
11 | 152a7122 |
12 | 979bb46 |
13 | 5c82300 |
14 | 3b83dc2 |
15 | 27e5200 |
hex | 1b7cda6 |
28822950 has 108 divisors (see below), whose sum is σ = 84073860. Its totient is φ = 7076160.
The previous prime is 28822949. The next prime is 28822951. The reversal of 28822950 is 5922882.
It is an interprime number because it is at equal distance from previous prime (28822949) and next prime (28822951).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (28822951) by changing a digit.
It is a polite number, since it can be written in 53 ways as a sum of consecutive naturals, for example, 75861 + ... + 76239.
Almost surely, 228822950 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 28822950, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42036930).
28822950 is an abundant number, since it is smaller than the sum of its proper divisors (55250910).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
28822950 is a wasteful number, since it uses less digits than its factorization.
28822950 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 423 (or 402 counting only the distinct ones).
The product of its (nonzero) digits is 23040, while the sum is 36.
The square root of 28822950 is about 5368.7009601951. The cubic root of 28822950 is about 306.6051717169.
It can be divided in two parts, 2882 and 2950, that added together give a cube (5832 = 183).
The spelling of 28822950 in words is "twenty-eight million, eight hundred twenty-two thousand, nine hundred fifty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.075 sec. • engine limits •