Search a number
-
+
524244331 = 1340326487
BaseRepresentation
bin11111001111110…
…101010101101011
31100112110101000201
4133033311111223
52033201304311
6124004213031
715664001062
oct3717652553
91315411021
10524244331
11249a16586
1212769a177
13847c3360
144d8a71d9
15310569c1
hex1f3f556b

524244331 has 4 divisors (see below), whose sum is σ = 564570832. Its totient is φ = 483917832.

The previous prime is 524244319. The next prime is 524244361. The reversal of 524244331 is 133442425.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 524244331 - 215 = 524211563 is a prime.

It is a super-2 number, since 2×5242443312 = 549664237171275122, which contains 22 as substring.

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 524244331.

It is not an unprimeable number, because it can be changed into a prime (524244361) 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, 20163231 + ... + 20163256.

It is an arithmetic number, because the mean of its divisors is an integer number (141142708).

Almost surely, 2524244331 is an apocalyptic number.

524244331 is a deficient number, since it is larger than the sum of its proper divisors (40326501).

524244331 is a wasteful number, since it uses less digits than its factorization.

524244331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40326500.

The product of its digits is 11520, while the sum is 28.

The square root of 524244331 is about 22896.3824871965. The cubic root of 524244331 is about 806.3270838224.

Adding to 524244331 its reverse (133442425), we get a palindrome (657686756).

The spelling of 524244331 in words is "five hundred twenty-four million, two hundred forty-four thousand, three hundred thirty-one".

Divisors: 1 13 40326487 524244331