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1420314340 = 22571015717
BaseRepresentation
bin101010010101000…
…0100011011100100
310122222120102222211
41110222010123210
510402100024330
6352534133204
750124321064
oct12452043344
93588512884
101420314340
11669804205
123377b1204
13198341cb3
14d68bd3a4
1584a58d2a
hex54a846e4

1420314340 has 12 divisors (see below), whose sum is σ = 2982660156. Its totient is φ = 568125728.

The previous prime is 1420314323. The next prime is 1420314359. The reversal of 1420314340 is 434130241.

It can be written as a sum of positive squares in 2 ways, for example, as 547466404 + 872847936 = 23398^2 + 29544^2 .

It is an unprimeable number.

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, 35507839 + ... + 35507878.

It is an arithmetic number, because the mean of its divisors is an integer number (248555013).

Almost surely, 21420314340 is an apocalyptic number.

1420314340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1420314340 is an abundant number, since it is smaller than the sum of its proper divisors (1562345816).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1420314340 is a wasteful number, since it uses less digits than its factorization.

1420314340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71015726 (or 71015724 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 1420314340 is about 37687.0579907745. The cubic root of 1420314340 is about 1124.0737963562.

Adding to 1420314340 its reverse (434130241), we get a palindrome (1854444581).

The spelling of 1420314340 in words is "one billion, four hundred twenty million, three hundred fourteen thousand, three hundred forty".

Divisors: 1 2 4 5 10 20 71015717 142031434 284062868 355078585 710157170 1420314340