Base | Representation |
---|---|
bin | 1110100101111… |
… | …00001010001010 |
3 | 22112022211210120 |
4 | 13102330022022 |
5 | 222313434024 |
6 | 20051324110 |
7 | 3014300250 |
oct | 722741212 |
9 | 275284716 |
10 | 122405514 |
11 | 63105090 |
12 | 34bb0636 |
13 | 1c489aca |
14 | 123845d0 |
15 | ab2d479 |
hex | 74bc28a |
122405514 has 64 divisors (see below), whose sum is σ = 311040000. Its totient is φ = 31187520.
The previous prime is 122405501. The next prime is 122405519. The reversal of 122405514 is 415504221.
It is not an unprimeable number, because it can be changed into a prime (122405519) 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 31 ways as a sum of consecutive naturals, for example, 21987 + ... + 26985.
It is an arithmetic number, because the mean of its divisors is an integer number (4860000).
Almost surely, 2122405514 is an apocalyptic number.
122405514 is a gapful number since it is divisible by the number (14) formed by its first and last digit.
It is a practical number, because each smaller number is the sum of distinct divisors of 122405514, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (155520000).
122405514 is an abundant number, since it is smaller than the sum of its proper divisors (188634486).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
122405514 is a wasteful number, since it uses less digits than its factorization.
122405514 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5075.
The product of its (nonzero) digits is 1600, while the sum is 24.
The square root of 122405514 is about 11063.7025448084. The cubic root of 122405514 is about 496.5164717587.
Adding to 122405514 its reverse (415504221), we get a palindrome (537909735).
The spelling of 122405514 in words is "one hundred twenty-two million, four hundred five thousand, five hundred fourteen".
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