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2040142430 = 251014794217
BaseRepresentation
bin111100110011010…
…0001101001011110
312021011212222021202
41321212201221132
513134234024210
6534235155502
7101361632054
oct17146415136
95234788252
102040142430
11957675227
1248b2a5b92
13266890991
14154d481d4
15be1919a5
hex799a1a5e

2040142430 has 32 divisors (see below), whose sum is σ = 3717239040. Its totient is φ = 806099200.

The previous prime is 2040142421. The next prime is 2040142453. The reversal of 2040142430 is 342410402.

It is a super-2 number, since 2×20401424302 = 8324362269372609800, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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, 481682 + ... + 485898.

It is an arithmetic number, because the mean of its divisors is an integer number (116163720).

Almost surely, 22040142430 is an apocalyptic number.

2040142430 is a deficient number, since it is larger than the sum of its proper divisors (1677096610).

2040142430 is a wasteful number, since it uses less digits than its factorization.

2040142430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4804.

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 2040142430 is about 45167.9358616264. The cubic root of 2040142430 is about 1268.2946565672.

Adding to 2040142430 its reverse (342410402), we get a palindrome (2382552832).

The spelling of 2040142430 in words is "two billion, forty million, one hundred forty-two thousand, four hundred thirty".

Divisors: 1 2 5 10 101 202 479 505 958 1010 2395 4217 4790 8434 21085 42170 48379 96758 241895 425917 483790 851834 2019943 2129585 4039886 4259170 10099715 20199430 204014243 408028486 1020071215 2040142430