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1420342135 = 52934728229
BaseRepresentation
bin101010010101000…
…1011001101110111
310122222121212010021
41110222023031313
510402101422020
6352534510011
750124465112
oct12452131567
93588555107
101420342135
11669823083
12337805307
13198351844
14d68c9579
1584a621aa
hex54a8b377

1420342135 has 16 divisors (see below), whose sum is σ = 1768327200. Its totient is φ = 1093891456.

The previous prime is 1420342127. The next prime is 1420342139. The reversal of 1420342135 is 5312430241.

It is a cyclic number.

It is not a de Polignac number, because 1420342135 - 23 = 1420342127 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1420342139) by changing a digit.

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, 36201 + ... + 64429.

It is an arithmetic number, because the mean of its divisors is an integer number (110520450).

Almost surely, 21420342135 is an apocalyptic number.

1420342135 is a deficient number, since it is larger than the sum of its proper divisors (347985065).

1420342135 is a wasteful number, since it uses less digits than its factorization.

1420342135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28610.

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 1420342135 is about 37687.4267495142. The cubic root of 1420342135 is about 1124.0811288709.

Adding to 1420342135 its reverse (5312430241), we get a palindrome (6732772376).

The spelling of 1420342135 in words is "one billion, four hundred twenty million, three hundred forty-two thousand, one hundred thirty-five".

Divisors: 1 5 29 145 347 1735 10063 28229 50315 141145 818641 4093205 9795463 48977315 284068427 1420342135