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434341221 = 3144780407
BaseRepresentation
bin11001111000111…
…000010101100101
31010021021211010220
4121320320111211
51342142404341
6111033234553
713522560636
oct3170702545
91107254126
10434341221
112031a0a96
12101562a59
136bca6552
144198388d
15281e8a66
hex19e38565

434341221 has 4 divisors (see below), whose sum is σ = 579121632. Its totient is φ = 289560812.

The previous prime is 434341213. The next prime is 434341247. The reversal of 434341221 is 122143434.

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 434341221 - 23 = 434341213 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 434341191 and 434341200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (434341291) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 72390201 + ... + 72390206.

It is an arithmetic number, because the mean of its divisors is an integer number (144780408).

Almost surely, 2434341221 is an apocalyptic number.

It is an amenable number.

434341221 is a deficient number, since it is larger than the sum of its proper divisors (144780411).

434341221 is a wasteful number, since it uses less digits than its factorization.

434341221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144780410.

The product of its digits is 2304, while the sum is 24.

The square root of 434341221 is about 20840.8546129951. The cubic root of 434341221 is about 757.3157970126.

Adding to 434341221 its reverse (122143434), we get a palindrome (556484655).

The spelling of 434341221 in words is "four hundred thirty-four million, three hundred forty-one thousand, two hundred twenty-one".

Divisors: 1 3 144780407 434341221