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4387869317 = 131889178681
BaseRepresentation
bin1000001011000100…
…11001001010000101
3102022210112212010102
410011202121022011
532441243304232
62003223133445
7213510162626
oct40542311205
912283485112
104387869317
111951924187
12a255a4285
1354c0a66a0
142d8a7ba4d
151aa33e662
hex105899285

4387869317 has 8 divisors (see below), whose sum is σ = 4727925720. Its totient is φ = 4048174080.

The previous prime is 4387869307. The next prime is 4387869373. The reversal of 4387869317 is 7139687834.

It can be written as a sum of positive squares in 4 ways, for example, as 673454401 + 3714414916 = 25951^2 + 60946^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4387869317 - 222 = 4383675013 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 (4387869307) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64784 + ... + 113897.

It is an arithmetic number, because the mean of its divisors is an integer number (590990715).

Almost surely, 24387869317 is an apocalyptic number.

It is an amenable number.

4387869317 is a deficient number, since it is larger than the sum of its proper divisors (340056403).

4387869317 is a wasteful number, since it uses less digits than its factorization.

4387869317 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180583.

The product of its digits is 6096384, while the sum is 56.

The square root of 4387869317 is about 66240.9942331786. The cubic root of 4387869317 is about 1637.1352571998.

The spelling of 4387869317 in words is "four billion, three hundred eighty-seven million, eight hundred sixty-nine thousand, three hundred seventeen".

Divisors: 1 13 1889 24557 178681 2322853 337528409 4387869317