Base | Representation |
---|---|
bin | 1100001011001… |
… | …00011011011110 |
3 | 21010011101201212 |
4 | 12011210123132 |
5 | 202120420410 |
6 | 14044504422 |
7 | 2350014236 |
oct | 605443336 |
9 | 233141655 |
10 | 102123230 |
11 | 52711770 |
12 | 2a24b112 |
13 | 18208061 |
14 | d7c4cc6 |
15 | 8e73b05 |
hex | 61646de |
102123230 has 32 divisors (see below), whose sum is σ = 201005280. Its totient is φ = 37048320.
The previous prime is 102123227. The next prime is 102123247. The reversal of 102123230 is 32321201.
It is a happy number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 62666 + ... + 64274.
It is an arithmetic number, because the mean of its divisors is an integer number (6281415).
Almost surely, 2102123230 is an apocalyptic number.
102123230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
102123230 is a deficient number, since it is larger than the sum of its proper divisors (98882050).
102123230 is a wasteful number, since it uses less digits than its factorization.
102123230 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2204.
The product of its (nonzero) digits is 72, while the sum is 14.
The square root of 102123230 is about 10105.6038909112. The cubic root of 102123230 is about 467.4209575919.
Adding to 102123230 its reverse (32321201), we get a palindrome (134444431).
The spelling of 102123230 in words is "one hundred two million, one hundred twenty-three thousand, two hundred thirty".
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