Base | Representation |
---|---|
bin | 1100001100100… |
… | …10100100100110 |
3 | 21010111222222212 |
4 | 12012102210212 |
5 | 202142442410 |
6 | 14052523422 |
7 | 2351432246 |
oct | 606224446 |
9 | 233458885 |
10 | 102312230 |
11 | 52830769 |
12 | 2a320572 |
13 | 182730a7 |
14 | d833b26 |
15 | 8eaeb05 |
hex | 6192926 |
102312230 has 16 divisors (see below), whose sum is σ = 184354704. Its totient is φ = 40882080.
The previous prime is 102312227. The next prime is 102312247. The reversal of 102312230 is 32213201.
It is a happy number.
It is a congruent number.
It is an unprimeable number.
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 7 ways as a sum of consecutive naturals, for example, 5789 + ... + 15431.
It is an arithmetic number, because the mean of its divisors is an integer number (11522169).
Almost surely, 2102312230 is an apocalyptic number.
102312230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
102312230 is a deficient number, since it is larger than the sum of its proper divisors (82042474).
102312230 is a wasteful number, since it uses less digits than its factorization.
102312230 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 10711.
The product of its (nonzero) digits is 72, while the sum is 14.
The square root of 102312230 is about 10114.9508155008. The cubic root of 102312230 is about 467.7091326991.
Adding to 102312230 its reverse (32213201), we get a palindrome (134525431).
The spelling of 102312230 in words is "one hundred two million, three hundred twelve thousand, two hundred thirty".
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