Base | Representation |
---|---|
bin | 1110100100101… |
… | …10010101111101 |
3 | 22112000222022210 |
4 | 13102112111331 |
5 | 222244004441 |
6 | 20044131033 |
7 | 3013053543 |
oct | 722262575 |
9 | 275028283 |
10 | 122250621 |
11 | 63009779 |
12 | 34b36a79 |
13 | 1c43445c |
14 | 12343d93 |
15 | aaec616 |
hex | 749657d |
122250621 has 8 divisors (see below), whose sum is σ = 172589184. Its totient is φ = 76706240.
The previous prime is 122250613. The next prime is 122250637. The reversal of 122250621 is 126052221.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 122250621 - 23 = 122250613 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (122250421) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1198485 + ... + 1198586.
It is an arithmetic number, because the mean of its divisors is an integer number (21573648).
Almost surely, 2122250621 is an apocalyptic number.
It is an amenable number.
122250621 is a deficient number, since it is larger than the sum of its proper divisors (50338563).
122250621 is a wasteful number, since it uses less digits than its factorization.
122250621 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2397091.
The product of its (nonzero) digits is 480, while the sum is 21.
The square root of 122250621 is about 11056.7002763031. The cubic root of 122250621 is about 496.3069512729.
The spelling of 122250621 in words is "one hundred twenty-two million, two hundred fifty thousand, six hundred twenty-one".
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