Search a number
-
+
538831792 = 24191772473
BaseRepresentation
bin100000000111011…
…110101110110000
31101112220111021001
4200013132232300
52100420104132
6125245011344
716231665112
oct4007365660
91345814231
10538831792
1125717a334
12130553b54
138782cca5
14517c33b2
1532488ce7
hex201debb0

538831792 has 20 divisors (see below), whose sum is σ = 1098933880. Its totient is φ = 255235968.

The previous prime is 538831781. The next prime is 538831793. The reversal of 538831792 is 297138835.

It is not an unprimeable number, because it can be changed into a prime (538831793) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 885933 + ... + 886540.

It is an arithmetic number, because the mean of its divisors is an integer number (54946694).

Almost surely, 2538831792 is an apocalyptic number.

It is an amenable number.

538831792 is an abundant number, since it is smaller than the sum of its proper divisors (560102088).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

538831792 is a wasteful number, since it uses less digits than its factorization.

538831792 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1772500 (or 1772494 counting only the distinct ones).

The product of its digits is 362880, while the sum is 46.

The square root of 538831792 is about 23212.7506340804. The cubic root of 538831792 is about 813.7376379804.

The spelling of 538831792 in words is "five hundred thirty-eight million, eight hundred thirty-one thousand, seven hundred ninety-two".

Divisors: 1 2 4 8 16 19 38 76 152 304 1772473 3544946 7089892 14179784 28359568 33676987 67353974 134707948 269415896 538831792