Base | Representation |
---|---|
bin | 1100001011111… |
… | …10110110000110 |
3 | 21010100220011021 |
4 | 12011332312012 |
5 | 202132401210 |
6 | 14051101354 |
7 | 2350644550 |
oct | 605766606 |
9 | 233326137 |
10 | 102231430 |
11 | 52785a94 |
12 | 2a2a185a |
13 | 18245392 |
14 | d8124d0 |
15 | 8e95bda |
hex | 617ed86 |
102231430 has 32 divisors (see below), whose sum is σ = 210864960. Its totient is φ = 34957440.
The previous prime is 102231401. The next prime is 102231431. The reversal of 102231430 is 34132201.
It is a happy number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (102231431) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27736 + ... + 31204.
It is an arithmetic number, because the mean of its divisors is an integer number (6589530).
Almost surely, 2102231430 is an apocalyptic number.
102231430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
102231430 is an abundant number, since it is smaller than the sum of its proper divisors (108633530).
102231430 is a wasteful number, since it uses less digits than its factorization.
102231430 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3904.
The product of its (nonzero) digits is 144, while the sum is 16.
The square root of 102231430 is about 10110.9559389803. The cubic root of 102231430 is about 467.5859774953.
Adding to 102231430 its reverse (34132201), we get a palindrome (136363631).
The spelling of 102231430 in words is "one hundred two million, two hundred thirty-one thousand, four hundred thirty".
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