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1434430421 = 4361354419
BaseRepresentation
bin101010101111111…
…1010101111010101
310200222010121121122
41111133322233111
510414203233141
6354200453325
750355312614
oct12537725725
93628117548
101434430421
11676775896
1234047a245
1319b2451c8
14d871587b
1585de664b
hex557fabd5

1434430421 has 8 divisors (see below), whose sum is σ = 1470210720. Its totient is φ = 1398760272.

The previous prime is 1434430391. The next prime is 1434430429. The reversal of 1434430421 is 1240344341.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1434430421 - 218 = 1434168277 is a prime.

It is a Duffinian number.

It is a zygodrome in base 4.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1434430429) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 851 + ... + 53568.

It is an arithmetic number, because the mean of its divisors is an integer number (183776340).

Almost surely, 21434430421 is an apocalyptic number.

It is an amenable number.

1434430421 is a deficient number, since it is larger than the sum of its proper divisors (35780299).

1434430421 is an equidigital number, since it uses as much as digits as its factorization.

1434430421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55075.

The product of its (nonzero) digits is 4608, while the sum is 26.

The square root of 1434430421 is about 37873.8751780168. The cubic root of 1434430421 is about 1127.7854718047.

Adding to 1434430421 its reverse (1240344341), we get a palindrome (2674774762).

The spelling of 1434430421 in words is "one billion, four hundred thirty-four million, four hundred thirty thousand, four hundred twenty-one".

Divisors: 1 43 613 26359 54419 2340017 33358847 1434430421