Base | Representation |
---|---|
bin | 11110000011011… |
… | …10010100101001 |
3 | 122120101112001220 |
4 | 33001232110221 |
5 | 1004020010441 |
6 | 41003332253 |
7 | 6150620634 |
oct | 1701562451 |
9 | 576345056 |
10 | 252110121 |
11 | 11a34507a |
12 | 70521089 |
13 | 40300cb3 |
14 | 256a8c1b |
15 | 171ee466 |
hex | f06e529 |
252110121 has 8 divisors (see below), whose sum is σ = 336544320. Its totient is φ = 167874672.
The previous prime is 252110101. The next prime is 252110141. The reversal of 252110121 is 121011252.
252110121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is an interprime number because it is at equal distance from previous prime (252110101) and next prime (252110141).
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 252110121 - 26 = 252110057 is a prime.
It is a super-2 number, since 2×2521101212 = 127119026221269282, which contains 22 as substring.
It is a Curzon number.
It is a self number, because there is not a number n which added to its sum of digits gives 252110121.
It is not an unprimeable number, because it can be changed into a prime (252110101) 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, 46701 + ... + 51818.
It is an arithmetic number, because the mean of its divisors is an integer number (42068040).
Almost surely, 2252110121 is an apocalyptic number.
It is an amenable number.
252110121 is a deficient number, since it is larger than the sum of its proper divisors (84434199).
252110121 is an equidigital number, since it uses as much as digits as its factorization.
252110121 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 99375.
The product of its (nonzero) digits is 40, while the sum is 15.
The square root of 252110121 is about 15877.9759730263. The cubic root of 252110121 is about 631.7279521654.
Adding to 252110121 its reverse (121011252), we get a palindrome (373121373).
The spelling of 252110121 in words is "two hundred fifty-two million, one hundred ten thousand, one hundred twenty-one".
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