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5385313885 = 572113194521
BaseRepresentation
bin1010000001111110…
…10101111001011101
3111220022102021211211
411000333111321131
542012120021020
62250213544421
7250311261400
oct50077257135
914808367754
105385313885
112313962036
121063645111
1367a92a683
14391321d37
15217bb885a
hex140fd5e5d

5385313885 has 24 divisors (see below), whose sum is σ = 7584023736. Its totient is φ = 3660088320.

The previous prime is 5385313883. The next prime is 5385313889. The reversal of 5385313885 is 5883135835.

It can be written as a sum of positive squares in 4 ways, for example, as 1570009 + 5383743876 = 1253^2 + 73374^2 .

It is not a de Polignac number, because 5385313885 - 21 = 5385313883 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5385313883) 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 23 ways as a sum of consecutive naturals, for example, 69576 + ... + 124945.

It is an arithmetic number, because the mean of its divisors is an integer number (316000989).

Almost surely, 25385313885 is an apocalyptic number.

It is an amenable number.

5385313885 is a deficient number, since it is larger than the sum of its proper divisors (2198709851).

5385313885 is a wasteful number, since it uses less digits than its factorization.

5385313885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194653 (or 194646 counting only the distinct ones).

The product of its digits is 1728000, while the sum is 49.

The square root of 5385313885 is about 73384.6978940433. The cubic root of 5385313885 is about 1752.8187374021.

The spelling of 5385313885 in words is "five billion, three hundred eighty-five million, three hundred thirteen thousand, eight hundred eighty-five".

Divisors: 1 5 7 35 49 113 245 565 791 3955 5537 27685 194521 972605 1361647 6808235 9531529 21980873 47657645 109904365 153866111 769330555 1077062777 5385313885