Search a number
-
+
528341389 = 3720996803
BaseRepresentation
bin11111011111011…
…101100110001101
31100211011112010121
4133133131212031
52040223411024
6124232104541
716043553622
oct3737354615
91324145117
10528341389
11251264784
12128b35151
13855c9154
1450252349
15315b58e4
hex1f7dd98d

528341389 has 8 divisors (see below), whose sum is σ = 542959200. Its totient is φ = 513741456.

The previous prime is 528341381. The next prime is 528341393. The reversal of 528341389 is 983143825.

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 528341389 - 23 = 528341381 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (528341381) 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, 74262 + ... + 81064.

It is an arithmetic number, because the mean of its divisors is an integer number (67869900).

Almost surely, 2528341389 is an apocalyptic number.

It is an amenable number.

528341389 is a deficient number, since it is larger than the sum of its proper divisors (14617811).

528341389 is a wasteful number, since it uses less digits than its factorization.

528341389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8939.

The product of its digits is 207360, while the sum is 43.

The square root of 528341389 is about 22985.6779103858. The cubic root of 528341389 is about 808.4221629190.

The spelling of 528341389 in words is "five hundred twenty-eight million, three hundred forty-one thousand, three hundred eighty-nine".

Divisors: 1 37 2099 6803 77663 251711 14279497 528341389