Base | Representation |
---|---|
bin | 1110100100011… |
… | …00111111010100 |
3 | 22111222000202210 |
4 | 13102030333110 |
5 | 222241243213 |
6 | 20043233420 |
7 | 3012534051 |
oct | 722147724 |
9 | 274860683 |
10 | 122212308 |
11 | 62a92a09 |
12 | 34b18870 |
13 | 1c41cb9a |
14 | 12334028 |
15 | aae10c3 |
hex | 748cfd4 |
122212308 has 48 divisors (see below), whose sum is σ = 295505280. Its totient is φ = 39283200.
The previous prime is 122212301. The next prime is 122212327. The reversal of 122212308 is 803212221.
It is a happy number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (122212301) 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, 42393 + ... + 45183.
It is an arithmetic number, because the mean of its divisors is an integer number (6156360).
Almost surely, 2122212308 is an apocalyptic number.
It is an amenable number.
122212308 is an abundant number, since it is smaller than the sum of its proper divisors (173292972).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
122212308 is a wasteful number, since it uses less digits than its factorization.
122212308 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2928 (or 2926 counting only the distinct ones).
The product of its (nonzero) digits is 384, while the sum is 21.
The square root of 122212308 is about 11054.9675711872. The cubic root of 122212308 is about 496.2550987893.
Adding to 122212308 its reverse (803212221), we get a palindrome (925424529).
It can be divided in two parts, 1222 and 12308, that added together give a triangular number (13530 = T164).
The spelling of 122212308 in words is "one hundred twenty-two million, two hundred twelve thousand, three hundred eight".
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