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2422142440 = 23560553561
BaseRepresentation
bin1001000001011110…
…1111010111101000
320020210200120210021
42100113233113220
514430032024230
61040202530224
7114010604524
oct22027572750
96223616707
102422142440
111033266513
12577206974
132c7a6c2a3
1418d984d84
15e299bc7a
hex905ef5e8

2422142440 has 16 divisors (see below), whose sum is σ = 5449820580. Its totient is φ = 968856960.

The previous prime is 2422142419. The next prime is 2422142441. The reversal of 2422142440 is 442412242.

It can be written as a sum of positive squares in 2 ways, for example, as 2182945284 + 239197156 = 46722^2 + 15466^2 .

It is not an unprimeable number, because it can be changed into a prime (2422142441) 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 3 ways as a sum of consecutive naturals, for example, 30276741 + ... + 30276820.

Almost surely, 22422142440 is an apocalyptic number.

2422142440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2422142440 is an abundant number, since it is smaller than the sum of its proper divisors (3027678140).

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

2422142440 is a wasteful number, since it uses less digits than its factorization.

2422142440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60553572 (or 60553568 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 25.

The square root of 2422142440 is about 49215.2663306824. The cubic root of 2422142440 is about 1342.9707684362.

Adding to 2422142440 its reverse (442412242), we get a palindrome (2864554682).

The spelling of 2422142440 in words is "two billion, four hundred twenty-two million, one hundred forty-two thousand, four hundred forty".

Divisors: 1 2 4 5 8 10 20 40 60553561 121107122 242214244 302767805 484428488 605535610 1211071220 2422142440