Base | Representation |
---|---|
bin | 1110100101010… |
… | …01110001001110 |
3 | 22112012000110210 |
4 | 13102221301032 |
5 | 222304031230 |
6 | 20045543250 |
7 | 3013534533 |
oct | 722516116 |
9 | 275160423 |
10 | 122330190 |
11 | 63063534 |
12 | 34b74b26 |
13 | 1c461738 |
14 | 12364d8a |
15 | ab15eb0 |
hex | 74a9c4e |
122330190 has 64 divisors (see below), whose sum is σ = 303160320. Its totient is φ = 31574400.
The previous prime is 122330179. The next prime is 122330191. The reversal of 122330190 is 91033221.
It is a happy number.
It is a super-2 number, since 2×1223301902 = 29929350770872200, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (122330191) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 141981 + ... + 142839.
It is an arithmetic number, because the mean of its divisors is an integer number (4736880).
Almost surely, 2122330190 is an apocalyptic number.
122330190 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 122330190, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (151580160).
122330190 is an abundant number, since it is smaller than the sum of its proper divisors (180830130).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
122330190 is a wasteful number, since it uses less digits than its factorization.
122330190 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1017.
The product of its (nonzero) digits is 324, while the sum is 21.
The square root of 122330190 is about 11060.2979164216. The cubic root of 122330190 is about 496.4146046679.
It can be divided in two parts, 1223 and 30190, that added together give a palindrome (31413).
The spelling of 122330190 in words is "one hundred twenty-two million, three hundred thirty thousand, one hundred ninety".
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