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532322431 = 3889136879
BaseRepresentation
bin11111101110101…
…001100001111111
31101002122210002121
4133232221201333
52042233304211
6124453303411
716122444304
oct3756514177
91332583077
10532322431
112535337a3
1212a334b67
13863911b4
14509ab0ab
1531b00271
hex1fba987f

532322431 has 4 divisors (see below), whose sum is σ = 532463200. Its totient is φ = 532181664.

The previous prime is 532322389. The next prime is 532322467. The reversal of 532322431 is 134223235.

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 532322431 - 29 = 532321919 is a prime.

It is a super-2 number, since 2×5323224312 = 566734341091499522, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 532322396 and 532322405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (532302431) 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, 64551 + ... + 72328.

It is an arithmetic number, because the mean of its divisors is an integer number (133115800).

Almost surely, 2532322431 is an apocalyptic number.

532322431 is a deficient number, since it is larger than the sum of its proper divisors (140769).

532322431 is a wasteful number, since it uses less digits than its factorization.

532322431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140768.

The product of its digits is 4320, while the sum is 25.

The square root of 532322431 is about 23072.1137089778. The cubic root of 532322431 is about 810.4475659931.

Adding to 532322431 its reverse (134223235), we get a palindrome (666545666).

The spelling of 532322431 in words is "five hundred thirty-two million, three hundred twenty-two thousand, four hundred thirty-one".

Divisors: 1 3889 136879 532322431