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434244431 is a prime number
BaseRepresentation
bin11001111000100…
…000101101001111
31010021002220101002
4121320200231033
51342131310211
6111031210515
713522005515
oct3170405517
91107086332
10434244431
112031352a5
12101516a3b
136bc7148a
144195a4b5
15281ca03b
hex19e20b4f

434244431 has 2 divisors, whose sum is σ = 434244432. Its totient is φ = 434244430.

The previous prime is 434244409. The next prime is 434244443. The reversal of 434244431 is 134442434.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 434244431 - 26 = 434244367 is a prime.

It is a super-2 number, since 2×4342444312 = 377136451709027522, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 434244394 and 434244403.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (434244491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 217122215 + 217122216.

It is an arithmetic number, because the mean of its divisors is an integer number (217122216).

Almost surely, 2434244431 is an apocalyptic number.

434244431 is a deficient number, since it is larger than the sum of its proper divisors (1).

434244431 is an equidigital number, since it uses as much as digits as its factorization.

434244431 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 18432, while the sum is 29.

The square root of 434244431 is about 20838.5323619491. The cubic root of 434244431 is about 757.2595386010.

Adding to 434244431 its reverse (134442434), we get a palindrome (568686865).

The spelling of 434244431 in words is "four hundred thirty-four million, two hundred forty-four thousand, four hundred thirty-one".