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434111431 = 1333393187
BaseRepresentation
bin11001111000000…
…000001111000111
31010020212010221011
4121320000033013
51342113031211
6111024303051
713520612665
oct3170001707
91106763834
10434111431
11203054386
12101471a87
136bc25a90
1441923c35
15281a0921
hex19e003c7

434111431 has 4 divisors (see below), whose sum is σ = 467504632. Its totient is φ = 400718232.

The previous prime is 434111423. The next prime is 434111459. The reversal of 434111431 is 134111434.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 434111431 - 23 = 434111423 is a prime.

It is a super-2 number, since 2×4341114312 = 376905469049735522, which contains 22 as substring.

It is a Duffinian number.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (434111401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16696581 + ... + 16696606.

It is an arithmetic number, because the mean of its divisors is an integer number (116876158).

Almost surely, 2434111431 is an apocalyptic number.

434111431 is a deficient number, since it is larger than the sum of its proper divisors (33393201).

434111431 is a wasteful number, since it uses less digits than its factorization.

434111431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33393200.

The product of its digits is 576, while the sum is 22.

The square root of 434111431 is about 20835.3409139375. The cubic root of 434111431 is about 757.1822197797.

Adding to 434111431 its reverse (134111434), we get a palindrome (568222865).

The spelling of 434111431 in words is "four hundred thirty-four million, one hundred eleven thousand, four hundred thirty-one".

Divisors: 1 13 33393187 434111431