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434868431 is a prime number
BaseRepresentation
bin11001111010111…
…001000011001111
31010022021121100012
4121322321003033
51342311242211
6111052423435
713530214664
oct3172710317
91108247305
10434868431
112035210a8
12101777b7b
136c12c4ca
1441a7da6b
152829ed8b
hex19eb90cf

434868431 has 2 divisors, whose sum is σ = 434868432. Its totient is φ = 434868430.

The previous prime is 434868419. The next prime is 434868433. The reversal of 434868431 is 134868434.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-434868431 is a prime.

It is a super-2 number, since 2×4348684312 = 378221104560803522, which contains 22 as substring.

Together with 434868433, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (434868433) 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 as a sum of consecutive naturals, namely, 217434215 + 217434216.

It is an arithmetic number, because the mean of its divisors is an integer number (217434216).

Almost surely, 2434868431 is an apocalyptic number.

434868431 is a deficient number, since it is larger than the sum of its proper divisors (1).

434868431 is an equidigital number, since it uses as much as digits as its factorization.

434868431 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 221184, while the sum is 41.

The square root of 434868431 is about 20853.4992507253. The cubic root of 434868431 is about 757.6220869420.

The spelling of 434868431 in words is "four hundred thirty-four million, eight hundred sixty-eight thousand, four hundred thirty-one".