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434641289 = 479247687
BaseRepresentation
bin11001111010000…
…001100110001001
31010021212001202112
4121322001212021
51342232010124
6111043512105
713525250525
oct3172014611
91107761675
10434641289
11203386485
12101688635
136c07ccc4
1441a20d85
152825790e
hex19e81989

434641289 has 4 divisors (see below), whose sum is σ = 443889024. Its totient is φ = 425393556.

The previous prime is 434641271. The next prime is 434641301. The reversal of 434641289 is 982146434.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 434641289 - 212 = 434637193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (434643289) 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, 4623797 + ... + 4623890.

It is an arithmetic number, because the mean of its divisors is an integer number (110972256).

Almost surely, 2434641289 is an apocalyptic number.

It is an amenable number.

434641289 is a deficient number, since it is larger than the sum of its proper divisors (9247735).

434641289 is an equidigital number, since it uses as much as digits as its factorization.

434641289 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9247734.

The product of its digits is 165888, while the sum is 41.

The square root of 434641289 is about 20848.0524030424. The cubic root of 434641289 is about 757.4901560296.

The spelling of 434641289 in words is "four hundred thirty-four million, six hundred forty-one thousand, two hundred eighty-nine".

Divisors: 1 47 9247687 434641289