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864424093 = 13367181183
BaseRepresentation
bin110011100001100…
…001000010011101
32020020120021221011
4303201201002131
53232243032333
6221435335221
730264324601
oct6341410235
92206507834
10864424093
11403a43685
122015b1511
1310a11b760
1482b39501
1550d509cd
hex3386109d

864424093 has 8 divisors (see below), whose sum is σ = 933459968. Its totient is φ = 795751344.

The previous prime is 864424087. The next prime is 864424153. The reversal of 864424093 is 390424468.

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 864424093 - 225 = 830869661 is a prime.

It is a super-3 number, since 3×8644240933 (a number of 28 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (864424013) 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, 85821 + ... + 95362.

It is an arithmetic number, because the mean of its divisors is an integer number (116682496).

Almost surely, 2864424093 is an apocalyptic number.

It is an amenable number.

864424093 is a deficient number, since it is larger than the sum of its proper divisors (69035875).

864424093 is a wasteful number, since it uses less digits than its factorization.

864424093 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181563.

The product of its (nonzero) digits is 165888, while the sum is 40.

The square root of 864424093 is about 29401.0899968011. The cubic root of 864424093 is about 952.5964403376.

The spelling of 864424093 in words is "eight hundred sixty-four million, four hundred twenty-four thousand, ninety-three".

Divisors: 1 13 367 4771 181183 2355379 66494161 864424093