Base | Representation |
---|---|
bin | 1100001011111… |
… | …10000000111110 |
3 | 21010100201111100 |
4 | 12011332000332 |
5 | 202132244110 |
6 | 14051033530 |
7 | 2350631622 |
oct | 605760076 |
9 | 233321440 |
10 | 102228030 |
11 | 52783483 |
12 | 2a29b8a6 |
13 | 18243978 |
14 | d811182 |
15 | 8e94bc0 |
hex | 617e03e |
102228030 has 48 divisors (see below), whose sum is σ = 267765264. Its totient is φ = 27058560.
The previous prime is 102228019. The next prime is 102228041. The reversal of 102228030 is 30822201.
It is a happy number.
It is an interprime number because it is at equal distance from previous prime (102228019) and next prime (102228041).
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a junction number, because it is equal to n+sod(n) for n = 102227994 and 102228012.
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, 8185 + ... + 16475.
It is an arithmetic number, because the mean of its divisors is an integer number (5578443).
Almost surely, 2102228030 is an apocalyptic number.
102228030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is a practical number, because each smaller number is the sum of distinct divisors of 102228030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (133882632).
102228030 is an abundant number, since it is smaller than the sum of its proper divisors (165537234).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
102228030 is a wasteful number, since it uses less digits than its factorization.
102228030 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8441 (or 8438 counting only the distinct ones).
The product of its (nonzero) digits is 192, while the sum is 18.
The square root of 102228030 is about 10110.7878031338. The cubic root of 102228030 is about 467.5807937994.
The spelling of 102228030 in words is "one hundred two million, two hundred twenty-eight thousand, thirty".
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