Base | Representation |
---|---|
bin | 11000111111010… |
… | …011110100010111 |
3 | 1002012220002002201 |
4 | 120333103310113 |
5 | 1324311440211 |
6 | 105333545331 |
7 | 13250363356 |
oct | 3077236427 |
9 | 1065802081 |
10 | 419249431 |
11 | 1a5723337 |
12 | b84a5247 |
13 | 68b211b3 |
14 | 3d97599d |
15 | 26c170c1 |
hex | 18fd3d17 |
419249431 has 2 divisors, whose sum is σ = 419249432. Its totient is φ = 419249430.
The previous prime is 419249429. The next prime is 419249483. The reversal of 419249431 is 134942914.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 419249431 - 21 = 419249429 is a prime.
It is a super-2 number, since 2×4192494312 = 351540170787647522, which contains 22 as substring.
Together with 419249429, it forms a pair of twin primes.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (419249531) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 209624715 + 209624716.
It is an arithmetic number, because the mean of its divisors is an integer number (209624716).
Almost surely, 2419249431 is an apocalyptic number.
419249431 is a deficient number, since it is larger than the sum of its proper divisors (1).
419249431 is an equidigital number, since it uses as much as digits as its factorization.
419249431 is an evil number, because the sum of its binary digits is even.
The product of its digits is 31104, while the sum is 37.
The square root of 419249431 is about 20475.5813348486. The cubic root of 419249431 is about 748.4408683164.
The spelling of 419249431 in words is "four hundred nineteen million, two hundred forty-nine thousand, four hundred thirty-one".
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