Base | Representation |
---|---|
bin | 1100010000100… |
… | …00100001110000 |
3 | 21011111012200210 |
4 | 12020100201300 |
5 | 202311000034 |
6 | 14111544120 |
7 | 2356011336 |
oct | 610204160 |
9 | 234435623 |
10 | 102828144 |
11 | 53053341 |
12 | 2a52b040 |
13 | 183c3b73 |
14 | d929b56 |
15 | 90628e9 |
hex | 6210870 |
102828144 has 20 divisors (see below), whose sum is σ = 265639496. Its totient is φ = 34276032.
The previous prime is 102828139. The next prime is 102828149. The reversal of 102828144 is 441828201.
It is an interprime number because it is at equal distance from previous prime (102828139) and next prime (102828149).
It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (102828149) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1071079 + ... + 1071174.
Almost surely, 2102828144 is an apocalyptic number.
It is an amenable number.
102828144 is an abundant number, since it is smaller than the sum of its proper divisors (162811352).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
102828144 is a wasteful number, since it uses less digits than its factorization.
102828144 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2142264 (or 2142258 counting only the distinct ones).
The product of its (nonzero) digits is 4096, while the sum is 30.
The square root of 102828144 is about 10140.4212930233. The cubic root of 102828144 is about 468.4939630728.
The spelling of 102828144 in words is "one hundred two million, eight hundred twenty-eight thousand, one hundred forty-four".
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