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523472 = 2432717
BaseRepresentation
bin1111111110011010000
3222121001212
41333303100
5113222342
615115252
74310105
oct1776320
9877055
10523472
11328324
12212b28
13154361
14d8aac
15a5182
hex7fcd0

523472 has 10 divisors (see below), whose sum is σ = 1014258. Its totient is φ = 261728.

The previous prime is 523463. The next prime is 523487. The reversal of 523472 is 274325.

It can be written as a sum of positive squares in only one way, i.e., 512656 + 10816 = 716^2 + 104^2 .

It is an Ulam number.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is an unprimeable number.

523472 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16343 + ... + 16374.

2523472 is an apocalyptic number.

It is an amenable number.

523472 is a deficient number, since it is larger than the sum of its proper divisors (490786).

523472 is a wasteful number, since it uses less digits than its factorization.

523472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32725 (or 32719 counting only the distinct ones).

The product of its digits is 1680, while the sum is 23.

The square root of 523472 is about 723.5136488001. The cubic root of 523472 is about 80.5930921553.

Adding to 523472 its reverse (274325), we get a palindrome (797797).

The spelling of 523472 in words is "five hundred twenty-three thousand, four hundred seventy-two".

Divisors: 1 2 4 8 16 32717 65434 130868 261736 523472