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4024682721 = 3449687441
BaseRepresentation
bin1110111111100011…
…1100100011100001
3101101111011001210000
43233320330203201
531220304321341
61503210530213
7201510144603
oct35770744341
911344131700
104024682721
111785912774
12943a36969
134c1a84387
142a273b173
151884ed8b6
hexefe3c8e1

4024682721 has 10 divisors (see below), whose sum is σ = 6012180482. Its totient is φ = 2683121760.

The previous prime is 4024682707. The next prime is 4024682743. The reversal of 4024682721 is 1272864204.

It can be written as a sum of positive squares in only one way, i.e., 3443342400 + 581340321 = 58680^2 + 24111^2 .

It is not a de Polignac number, because 4024682721 - 25 = 4024682689 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4024682791) by changing a digit.

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 9 ways as a sum of consecutive naturals, for example, 24843640 + ... + 24843801.

Almost surely, 24024682721 is an apocalyptic number.

It is an amenable number.

4024682721 is a deficient number, since it is larger than the sum of its proper divisors (1987497761).

4024682721 is an equidigital number, since it uses as much as digits as its factorization.

4024682721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49687453 (or 49687444 counting only the distinct ones).

The product of its (nonzero) digits is 43008, while the sum is 36.

The square root of 4024682721 is about 63440.3871441529. The cubic root of 4024682721 is about 1590.6594736777.

The spelling of 4024682721 in words is "four billion, twenty-four million, six hundred eighty-two thousand, seven hundred twenty-one".

Divisors: 1 3 9 27 81 49687441 149062323 447186969 1341560907 4024682721