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895969993 = 29304910133
BaseRepresentation
bin110101011001110…
…110101011001001
32022102220222202211
4311121312223021
53313332014433
6224523425121
731126422262
oct6531665311
92272828684
10895969993
1141a82a576
122100851a1
13113815279
1486dcb969
15539d28cd
hex35676ac9

895969993 has 8 divisors (see below), whose sum is σ = 927261000. Its totient is φ = 864705408.

The previous prime is 895969931. The next prime is 895970021. The reversal of 895969993 is 399969598.

It can be written as a sum of positive squares in 4 ways, for example, as 100560784 + 795409209 = 10028^2 + 28203^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-895969993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (895969903) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 83355 + ... + 93487.

It is an arithmetic number, because the mean of its divisors is an integer number (115907625).

Almost surely, 2895969993 is an apocalyptic number.

It is an amenable number.

895969993 is a deficient number, since it is larger than the sum of its proper divisors (31291007).

895969993 is a wasteful number, since it uses less digits than its factorization.

895969993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13211.

The product of its digits is 42515280, while the sum is 67.

The square root of 895969993 is about 29932.7578582395. The cubic root of 895969993 is about 964.0461434757.

The spelling of 895969993 in words is "eight hundred ninety-five million, nine hundred sixty-nine thousand, nine hundred ninety-three".

Divisors: 1 29 3049 10133 88421 293857 30895517 895969993