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4031015140 = 225934121577
BaseRepresentation
bin1111000001000100…
…0110100011100100
3101101221001210020001
43300101012203210
531223414441030
61503554351044
7201615030505
oct36021064344
911357053201
104031015140
111789448379
12945b8b484
134c3190779
142a3508bac
15188d4ecca
hexf04468e4

4031015140 has 24 divisors (see below), whose sum is σ = 8466430392. Its totient is φ = 1612158720.

The previous prime is 4031015137. The next prime is 4031015143. The reversal of 4031015140 is 415101304.

It is an interprime number because it is at equal distance from previous prime (4031015137) and next prime (4031015143).

It can be written as a sum of positive squares in 4 ways, for example, as 647498916 + 3383516224 = 25446^2 + 58168^2 .

It is not an unprimeable number, because it can be changed into a prime (4031015143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 176032 + ... + 197608.

It is an arithmetic number, because the mean of its divisors is an integer number (352767933).

Almost surely, 24031015140 is an apocalyptic number.

It is an amenable number.

4031015140 is an abundant number, since it is smaller than the sum of its proper divisors (4435415252).

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

4031015140 is a wasteful number, since it uses less digits than its factorization.

4031015140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30927 (or 30925 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 4031015140 is about 63490.2759483687. The cubic root of 4031015140 is about 1591.4932821865.

Adding to 4031015140 its reverse (415101304), we get a palindrome (4446116444).

The spelling of 4031015140 in words is "four billion, thirty-one million, fifteen thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 9341 18682 21577 37364 43154 46705 86308 93410 107885 186820 215770 431540 201550757 403101514 806203028 1007753785 2015507570 4031015140