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2140431324 = 223473795091
BaseRepresentation
bin111111110010100…
…0110001111011100
312112011121011210020
41333211012033130
513340422300244
6552220512140
7104020236363
oct17745061734
95464534706
102140431324
119a9243809
124b89ab650
132815a5b15
141643b27da
15c7da1d19
hex7f9463dc

2140431324 has 24 divisors (see below), whose sum is σ = 5100603648. Its totient is φ = 698296560.

The previous prime is 2140431299. The next prime is 2140431367. The reversal of 2140431324 is 4231340412.

It is a junction number, because it is equal to n+sod(n) for n = 2140431294 and 2140431303.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1896982 + ... + 1898109.

It is an arithmetic number, because the mean of its divisors is an integer number (212525152).

Almost surely, 22140431324 is an apocalyptic number.

It is an amenable number.

2140431324 is an abundant number, since it is smaller than the sum of its proper divisors (2960172324).

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

2140431324 is a wasteful number, since it uses less digits than its factorization.

2140431324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3795145 (or 3795143 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 2140431324 is about 46264.7957306633. The cubic root of 2140431324 is about 1288.7453145210.

Adding to 2140431324 its reverse (4231340412), we get a palindrome (6371771736).

The spelling of 2140431324 in words is "two billion, one hundred forty million, four hundred thirty-one thousand, three hundred twenty-four".

Divisors: 1 2 3 4 6 12 47 94 141 188 282 564 3795091 7590182 11385273 15180364 22770546 45541092 178369277 356738554 535107831 713477108 1070215662 2140431324