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1420024312 = 23723622511
BaseRepresentation
bin101010010100011…
…1101100111111000
310122222000201011001
41110220331213320
510402011234222
6352524014344
750122002400
oct12450754770
93588021131
101420024312
11669626313
123376913b4
1319826cc95
14d6845800
15849ece27
hex54a3d9f8

1420024312 has 24 divisors (see below), whose sum is σ = 3097247760. Its totient is φ = 608581680.

The previous prime is 1420024279. The next prime is 1420024313. The reversal of 1420024312 is 2134200241.

It is a self number, because there is not a number n which added to its sum of digits gives 1420024312.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1420024313) 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 5 ways as a sum of consecutive naturals, for example, 1810864 + ... + 1811647.

It is an arithmetic number, because the mean of its divisors is an integer number (129051990).

Almost surely, 21420024312 is an apocalyptic number.

It is an amenable number.

1420024312 is an abundant number, since it is smaller than the sum of its proper divisors (1677223448).

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

1420024312 is a wasteful number, since it uses less digits than its factorization.

1420024312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3622531 (or 3622520 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 1420024312 is about 37683.2099481984. The cubic root of 1420024312 is about 1123.9972792410.

Adding to 1420024312 its reverse (2134200241), we get a palindrome (3554224553).

The spelling of 1420024312 in words is "one billion, four hundred twenty million, twenty-four thousand, three hundred twelve".

Divisors: 1 2 4 7 8 14 28 49 56 98 196 392 3622511 7245022 14490044 25357577 28980088 50715154 101430308 177503039 202860616 355006078 710012156 1420024312