Search a number
-
+
513231052 = 22543723599
BaseRepresentation
bin11110100101110…
…100100011001100
31022202201211122111
4132211310203030
52022341343202
6122532153404
715501251305
oct3645644314
91282654574
10513231052
112437840a4
12123a68864
1382438519
144c23b7ac
15300cd6d7
hex1e9748cc

513231052 has 12 divisors (see below), whose sum is σ = 898357600. Its totient is φ = 256557456.

The previous prime is 513231001. The next prime is 513231079. The reversal of 513231052 is 250132315.

It is a super-2 number, since 2×5132310522 = 526812225474053408, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9949 + ... + 33547.

Almost surely, 2513231052 is an apocalyptic number.

It is an amenable number.

513231052 is a deficient number, since it is larger than the sum of its proper divisors (385126548).

513231052 is a wasteful number, since it uses less digits than its factorization.

513231052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29040 (or 29038 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 22.

The square root of 513231052 is about 22654.6033291250. The cubic root of 513231052 is about 800.6406597236.

Adding to 513231052 its reverse (250132315), we get a palindrome (763363367).

The spelling of 513231052 in words is "five hundred thirteen million, two hundred thirty-one thousand, fifty-two".

Divisors: 1 2 4 5437 10874 21748 23599 47198 94396 128307763 256615526 513231052