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2893432321 = 13308972053
BaseRepresentation
bin1010110001110110…
…0100011000000001
321110122111120222001
42230131210120001
521411204313241
61155040144001
7131462524513
oct25435443001
97418446861
102893432321
1112552a358a
12689008001
133715b1540
141d63c5bb3
1511e043431
hexac764601

2893432321 has 8 divisors (see below), whose sum is σ = 3117056040. Its totient is φ = 2669958912.

The previous prime is 2893432277. The next prime is 2893432379. The reversal of 2893432321 is 1232343982.

It can be written as a sum of positive squares in 4 ways, for example, as 124567921 + 2768864400 = 11161^2 + 52620^2 .

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 2893432321 - 217 = 2893301249 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2893432621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4131 + ... + 76183.

It is an arithmetic number, because the mean of its divisors is an integer number (389632005).

Almost surely, 22893432321 is an apocalyptic number.

It is an amenable number.

2893432321 is a deficient number, since it is larger than the sum of its proper divisors (223623719).

2893432321 is a wasteful number, since it uses less digits than its factorization.

2893432321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75155.

The product of its digits is 62208, while the sum is 37.

The square root of 2893432321 is about 53790.6341382959. The cubic root of 2893432321 is about 1424.9658054378.

The spelling of 2893432321 in words is "two billion, eight hundred ninety-three million, four hundred thirty-two thousand, three hundred twenty-one".

Divisors: 1 13 3089 40157 72053 936689 222571717 2893432321