Search a number
-
+
524442 = 2387407
BaseRepresentation
bin10000000000010011010
3222122101210
42000002122
5113240232
615123550
74312662
oct2000232
9878353
10524442
11329026
122135b6
13154929
14d91a2
15a55cc
hex8009a

524442 has 8 divisors (see below), whose sum is σ = 1048896. Its totient is φ = 174812.

The previous prime is 524429. The next prime is 524453. The reversal of 524442 is 244425.

It is a sphenic number, since it is the product of 3 distinct primes.

524442 is an admirable number.

It is a super-2 number, since 2×5244422 = 550078822728, which contains 22 as substring.

It is an Ulam number.

It is an unprimeable number.

524442 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43698 + ... + 43709.

It is an arithmetic number, because the mean of its divisors is an integer number (131112).

2524442 is an apocalyptic number.

524442 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

524442 is a wasteful number, since it uses less digits than its factorization.

524442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87412.

The product of its digits is 1280, while the sum is 21.

The square root of 524442 is about 724.1836783579. The cubic root of 524442 is about 80.6428414335.

Adding to 524442 its reverse (244425), we get a palindrome (768867).

The spelling of 524442 in words is "five hundred twenty-four thousand, four hundred forty-two".

Divisors: 1 2 3 6 87407 174814 262221 524442