Base | Representation |
---|---|
bin | 10011000010000101101100 |
3 | 100101111000121 |
4 | 103002011230 |
5 | 2234124132 |
6 | 254534324 |
7 | 60260020 |
oct | 23020554 |
9 | 10344017 |
10 | 4989292 |
11 | 28a8590 |
12 | 18073a4 |
13 | 1058c59 |
14 | 93c380 |
15 | 688497 |
hex | 4c216c |
4989292 has 48 divisors (see below), whose sum is σ = 11063808. Its totient is φ = 1912320.
The previous prime is 4989287. The next prime is 4989293. The reversal of 4989292 is 2929894.
It is a happy number.
It is a super-2 number, since 2×49892922 = 49786069322528, which contains 22 as substring.
It is a Smith number, since the sum of its digits (43) coincides with the sum of the digits of its prime factors.
It is an alternating number because its digits alternate between even and odd.
It is not an unprimeable number, because it can be changed into a prime (4989293) 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, 29793 + ... + 29959.
It is an arithmetic number, because the mean of its divisors is an integer number (230496).
Almost surely, 24989292 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 4989292, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5531904).
4989292 is an abundant number, since it is smaller than the sum of its proper divisors (6074516).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
4989292 is a wasteful number, since it uses less digits than its factorization.
4989292 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 286 (or 284 counting only the distinct ones).
The product of its digits is 93312, while the sum is 43.
The square root of 4989292 is about 2233.6723125830. The cubic root of 4989292 is about 170.8754379396.
The spelling of 4989292 in words is "four million, nine hundred eighty-nine thousand, two hundred ninety-two".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.090 sec. • engine limits •