Search a number
-
+
923489593 = 1382218641
BaseRepresentation
bin110111000010110…
…101010100111001
32101100201010120021
4313002311110321
53342403131333
6231345330441
731612350325
oct6702652471
92340633507
10923489593
11434316444
12219336a21
1311942c260
148a912985
155611b82d
hex370b5539

923489593 has 8 divisors (see below), whose sum is σ = 994763336. Its totient is φ = 852249600.

The previous prime is 923489573. The next prime is 923489599. The reversal of 923489593 is 395984329.

It can be written as a sum of positive squares in 4 ways, for example, as 23309584 + 900180009 = 4828^2 + 30003^2 .

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 923489593 - 213 = 923481401 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 923489593.

It is not an unprimeable number, because it can be changed into a prime (923489599) 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, 102553 + ... + 111193.

It is an arithmetic number, because the mean of its divisors is an integer number (124345417).

Almost surely, 2923489593 is an apocalyptic number.

It is an amenable number.

923489593 is a deficient number, since it is larger than the sum of its proper divisors (71273743).

923489593 is a wasteful number, since it uses less digits than its factorization.

923489593 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16875.

The product of its digits is 2099520, while the sum is 52.

The square root of 923489593 is about 30388.9715686464. The cubic root of 923489593 is about 973.8169628379.

The spelling of 923489593 in words is "nine hundred twenty-three million, four hundred eighty-nine thousand, five hundred ninety-three".

Divisors: 1 13 8221 8641 106873 112333 71037661 923489593