Base | Representation |
---|---|
bin | 1100001110010… |
… | …11001101111110 |
3 | 21010221210021100 |
4 | 12013023031332 |
5 | 202222404004 |
6 | 14101513530 |
7 | 2353416561 |
oct | 607131576 |
9 | 233853240 |
10 | 102544254 |
11 | 5297a01a |
12 | 2a4128a6 |
13 | 18324897 |
14 | d8944d8 |
15 | 9008739 |
hex | 61cb37e |
102544254 has 48 divisors (see below), whose sum is σ = 234748800. Its totient is φ = 32261328.
The previous prime is 102544243. The next prime is 102544297. The reversal of 102544254 is 452445201.
It is a Curzon number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 149797 + ... + 150479.
It is an arithmetic number, because the mean of its divisors is an integer number (4890600).
Almost surely, 2102544254 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 102544254, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (117374400).
102544254 is an abundant number, since it is smaller than the sum of its proper divisors (132204546).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
102544254 is a wasteful number, since it uses less digits than its factorization.
102544254 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1149 (or 1146 counting only the distinct ones).
The product of its (nonzero) digits is 6400, while the sum is 27.
The square root of 102544254 is about 10126.4136790870. The cubic root of 102544254 is about 468.0624231878.
Adding to 102544254 its reverse (452445201), we get a palindrome (554989455).
The spelling of 102544254 in words is "one hundred two million, five hundred forty-four thousand, two hundred fifty-four".
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