Base | Representation |
---|---|
bin | 1100001100001… |
… | …00011010011100 |
3 | 21010102001102221 |
4 | 12012010122130 |
5 | 202134113421 |
6 | 14051355124 |
7 | 2351101210 |
oct | 606043234 |
9 | 233361387 |
10 | 102254236 |
11 | 527a1137 |
12 | 2a2b2aa4 |
13 | 18252886 |
14 | d81a940 |
15 | 8e9c841 |
hex | 618469c |
102254236 has 48 divisors (see below), whose sum is σ = 212587200. Its totient is φ = 42121728.
The previous prime is 102254231. The next prime is 102254237. The reversal of 102254236 is 632452201.
It is a self number, because there is not a number n which added to its sum of digits gives 102254236.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (102254231) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 91650 + ... + 92758.
It is an arithmetic number, because the mean of its divisors is an integer number (4428900).
Almost surely, 2102254236 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 102254236, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (106293600).
102254236 is an abundant number, since it is smaller than the sum of its proper divisors (110332964).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
102254236 is a wasteful number, since it uses less digits than its factorization.
102254236 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1246 (or 1244 counting only the distinct ones).
The product of its (nonzero) digits is 2880, while the sum is 25.
The square root of 102254236 is about 10112.0836626286. The cubic root of 102254236 is about 467.6207449276.
The spelling of 102254236 in words is "one hundred two million, two hundred fifty-four thousand, two hundred thirty-six".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.067 sec. • engine limits •