Base | Representation |
---|---|
bin | 1110100110110… |
… | …00001010100110 |
3 | 22112112200011022 |
4 | 13103120022212 |
5 | 222331121410 |
6 | 20054011142 |
7 | 3015255560 |
oct | 723301246 |
9 | 275480138 |
10 | 122520230 |
11 | 63183298 |
12 | 35046ab2 |
13 | 1c4ca0a1 |
14 | 123b4330 |
15 | ab52455 |
hex | 74d82a6 |
122520230 has 16 divisors (see below), whose sum is σ = 252041760. Its totient is φ = 42006912.
The previous prime is 122520193. The next prime is 122520247. The reversal of 122520230 is 32025221.
It is a super-2 number, since 2×1225202302 = 30022413518505800, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 122520199 and 122520208.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 875075 + ... + 875214.
It is an arithmetic number, because the mean of its divisors is an integer number (15752610).
Almost surely, 2122520230 is an apocalyptic number.
122520230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
122520230 is an abundant number, since it is smaller than the sum of its proper divisors (129521530).
122520230 is a wasteful number, since it uses less digits than its factorization.
122520230 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1750303.
The product of its (nonzero) digits is 240, while the sum is 17.
The square root of 122520230 is about 11068.8856711053. The cubic root of 122520230 is about 496.6715317652.
Adding to 122520230 its reverse (32025221), we get a palindrome (154545451).
The spelling of 122520230 in words is "one hundred twenty-two million, five hundred twenty thousand, two hundred thirty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.077 sec. • engine limits •