Base | Representation |
---|---|
bin | 101010000001101… |
… | …1111101100110101 |
3 | 10122021112201001022 |
4 | 1110003133230311 |
5 | 10342002434141 |
6 | 351533310525 |
7 | 46642344215 |
oct | 12403375465 |
9 | 3567481038 |
10 | 1410202421 |
11 | 664027a51 |
12 | 334335445 |
13 | 196211504 |
14 | d540a245 |
15 | 83c0cb4b |
hex | 540dfb35 |
1410202421 has 4 divisors (see below), whose sum is σ = 1444597644. Its totient is φ = 1375807200.
The previous prime is 1410202397. The next prime is 1410202457. The reversal of 1410202421 is 1242020141.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1242020141 = 21001 ⋅59141.
It can be written as a sum of positive squares in 2 ways, for example, as 205348900 + 1204853521 = 14330^2 + 34711^2 .
It is a cyclic number.
It is not a de Polignac number, because 1410202421 - 26 = 1410202357 is a prime.
It is a super-2 number, since 2×14102024212 = 3977341736388522482, which contains 22 as substring.
It is a Duffinian number.
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 1410202421.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1410202471) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17197550 + ... + 17197631.
It is an arithmetic number, because the mean of its divisors is an integer number (361149411).
Almost surely, 21410202421 is an apocalyptic number.
It is an amenable number.
1410202421 is a deficient number, since it is larger than the sum of its proper divisors (34395223).
1410202421 is an equidigital number, since it uses as much as digits as its factorization.
1410202421 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 34395222.
The product of its (nonzero) digits is 128, while the sum is 17.
The square root of 1410202421 is about 37552.6619695595. The cubic root of 1410202421 is about 1121.3998284097.
Adding to 1410202421 its reverse (1242020141), we get a palindrome (2652222562).
The spelling of 1410202421 in words is "one billion, four hundred ten million, two hundred two thousand, four hundred twenty-one".
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