Base | Representation |
---|---|
bin | 11001000110001… |
… | …011011101110111 |
3 | 1002100021120100000 |
4 | 121012023131313 |
5 | 1330242101411 |
6 | 105440322343 |
7 | 13301603460 |
oct | 3106133567 |
9 | 1070246300 |
10 | 421050231 |
11 | 1a67432a8 |
12 | b90133b3 |
13 | 69301a64 |
14 | 3dcc3d67 |
15 | 26e70956 |
hex | 1918b777 |
421050231 has 24 divisors (see below), whose sum is σ = 720813184. Its totient is φ = 240599160.
The previous prime is 421050221. The next prime is 421050239. The reversal of 421050231 is 132050124.
It is not a de Polignac number, because 421050231 - 211 = 421048183 is a prime.
It is a super-2 number, since 2×4210502312 = 354566594050306722, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (421050239) 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 23 ways as a sum of consecutive naturals, for example, 122065 + ... + 125466.
Almost surely, 2421050231 is an apocalyptic number.
421050231 is a deficient number, since it is larger than the sum of its proper divisors (299762953).
421050231 is an equidigital number, since it uses as much as digits as its factorization.
421050231 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 247553 (or 247541 counting only the distinct ones).
The product of its (nonzero) digits is 240, while the sum is 18.
The square root of 421050231 is about 20519.5085467464. The cubic root of 421050231 is about 749.5109291489.
The spelling of 421050231 in words is "four hundred twenty-one million, fifty thousand, two hundred thirty-one".
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