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2140303420 = 225337331727
BaseRepresentation
bin111111110010010…
…0111000000111100
312112011100200100001
41333210213000330
513340404202140
6552214044044
7104016164443
oct17744470074
95464320301
102140303420
119a9166702
124b8949624
1328155c838
1416437bd5a
15c7d78e9a
hex7f92703c

2140303420 has 24 divisors (see below), whose sum is σ = 4496111424. Its totient is φ = 855840576.

The previous prime is 2140303397. The next prime is 2140303421. The reversal of 2140303420 is 243030412.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2140303421) 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 7 ways as a sum of consecutive naturals, for example, 51597 + ... + 83323.

It is an arithmetic number, because the mean of its divisors is an integer number (187337976).

Almost surely, 22140303420 is an apocalyptic number.

2140303420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2140303420 is an abundant number, since it is smaller than the sum of its proper divisors (2355808004).

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

2140303420 is a wasteful number, since it uses less digits than its factorization.

2140303420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35109 (or 35107 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 2140303420 is about 46263.4134062760. The cubic root of 2140303420 is about 1288.7196438439.

Adding to 2140303420 its reverse (243030412), we get a palindrome (2383333832).

The spelling of 2140303420 in words is "two billion, one hundred forty million, three hundred three thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 3373 6746 13492 16865 31727 33730 63454 67460 126908 158635 317270 634540 107015171 214030342 428060684 535075855 1070151710 2140303420