Base | Representation |
---|---|
bin | 1110100100101… |
… | …00111001010001 |
3 | 22112000200012002 |
4 | 13102110321101 |
5 | 222243312224 |
6 | 20044043345 |
7 | 3013030340 |
oct | 722247121 |
9 | 275020162 |
10 | 122244689 |
11 | 63005276 |
12 | 34b33555 |
13 | 1c431848 |
14 | 12341b57 |
15 | aaea9ae |
hex | 7494e51 |
122244689 has 16 divisors (see below), whose sum is σ = 148156800. Its totient is φ = 98527104.
The previous prime is 122244667. The next prime is 122244691. The reversal of 122244689 is 986442221.
It is a happy number.
It is a cyclic number.
It is not a de Polignac number, because 122244689 - 212 = 122240593 is a prime.
It is a Duffinian number.
It is a plaindrome in base 10.
It is not an unprimeable number, because it can be changed into a prime (122244289) by changing a digit.
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 15 ways as a sum of consecutive naturals, for example, 14867 + ... + 21575.
It is an arithmetic number, because the mean of its divisors is an integer number (9259800).
Almost surely, 2122244689 is an apocalyptic number.
122244689 is a gapful number since it is divisible by the number (19) formed by its first and last digit.
It is an amenable number.
122244689 is a deficient number, since it is larger than the sum of its proper divisors (25912111).
122244689 is a wasteful number, since it uses less digits than its factorization.
122244689 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6872.
The product of its digits is 55296, while the sum is 38.
The square root of 122244689 is about 11056.4320194175. The cubic root of 122244689 is about 496.2989236642.
The spelling of 122244689 in words is "one hundred twenty-two million, two hundred forty-four thousand, six hundred eighty-nine".
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