Base | Representation |
---|---|
bin | 1110011110010… |
… | …01001110000110 |
3 | 22110110021210220 |
4 | 13033021032012 |
5 | 222040113223 |
6 | 20014125210 |
7 | 3002654202 |
oct | 717111606 |
9 | 273407726 |
10 | 121410438 |
11 | 62595506 |
12 | 347b0806 |
13 | 1c1cbbc6 |
14 | 121a5b02 |
15 | a9d36e3 |
hex | 73c9386 |
121410438 has 16 divisors (see below), whose sum is σ = 245325360. Its totient is φ = 40052736.
The previous prime is 121410427. The next prime is 121410463. The reversal of 121410438 is 834014121.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 103723 + ... + 104886.
It is an arithmetic number, because the mean of its divisors is an integer number (15332835).
Almost surely, 2121410438 is an apocalyptic number.
121410438 is an abundant number, since it is smaller than the sum of its proper divisors (123914922).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
121410438 is a wasteful number, since it uses less digits than its factorization.
121410438 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 208711.
The product of its (nonzero) digits is 768, while the sum is 24.
The square root of 121410438 is about 11018.6404787524. The cubic root of 121410438 is about 495.1673589796.
Adding to 121410438 its reverse (834014121), we get a palindrome (955424559).
The spelling of 121410438 in words is "one hundred twenty-one million, four hundred ten thousand, four hundred thirty-eight".
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