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4242888317 = 18612279897
BaseRepresentation
bin1111110011100101…
…0101011001111101
3101221200202001120202
43330321111121331
532142134411232
61541003453245
7210066645533
oct37471253175
911850661522
104242888317
111887aaa878
129a4b27225
13528044105
142c36dc153
1519c752162
hexfce5567d

4242888317 has 4 divisors (see below), whose sum is σ = 4245170076. Its totient is φ = 4240606560.

The previous prime is 4242888259. The next prime is 4242888319. The reversal of 4242888317 is 7138882424.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1731475321 + 2511412996 = 41611^2 + 50114^2 .

It is a cyclic number.

It is not a de Polignac number, because 4242888317 - 210 = 4242887293 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4242888319) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1138088 + ... + 1141809.

It is an arithmetic number, because the mean of its divisors is an integer number (1061292519).

Almost surely, 24242888317 is an apocalyptic number.

It is an amenable number.

4242888317 is a deficient number, since it is larger than the sum of its proper divisors (2281759).

4242888317 is a wasteful number, since it uses less digits than its factorization.

4242888317 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2281758.

The product of its digits is 688128, while the sum is 47.

The square root of 4242888317 is about 65137.4570965124. The cubic root of 4242888317 is about 1618.9019024091.

The spelling of 4242888317 in words is "four billion, two hundred forty-two million, eight hundred eighty-eight thousand, three hundred seventeen".

Divisors: 1 1861 2279897 4242888317