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434421305 = 5294436763
BaseRepresentation
bin11001111001001…
…011111000111001
31010021102212222222
4121321023320321
51342202440210
6111035053425
713523343263
oct3171137071
91107385888
10434421305
1120324617a
121015a1275
136c003b36
14419a4b33
1528212655
hex19e4be39

434421305 has 16 divisors (see below), whose sum is σ = 540578880. Its totient is φ = 334746048.

The previous prime is 434421293. The next prime is 434421313. The reversal of 434421305 is 503124434.

It is a cyclic number.

It is not a de Polignac number, because 434421305 - 28 = 434421049 is a prime.

It is an unprimeable number.

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 in 15 ways as a sum of consecutive naturals, for example, 60854 + ... + 67616.

It is an arithmetic number, because the mean of its divisors is an integer number (33786180).

Almost surely, 2434421305 is an apocalyptic number.

It is an amenable number.

434421305 is a deficient number, since it is larger than the sum of its proper divisors (106157575).

434421305 is a wasteful number, since it uses less digits than its factorization.

434421305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7240.

The product of its (nonzero) digits is 5760, while the sum is 26.

The square root of 434421305 is about 20842.7758468012. The cubic root of 434421305 is about 757.3623388774.

Adding to 434421305 its reverse (503124434), we get a palindrome (937545739).

The spelling of 434421305 in words is "four hundred thirty-four million, four hundred twenty-one thousand, three hundred five".

Divisors: 1 5 29 145 443 2215 6763 12847 33815 64235 196127 980635 2996009 14980045 86884261 434421305