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56436532 = 2217829949
BaseRepresentation
bin1101011101001…
…0011100110100
310221012021100221
43113102130310
5103421432112
65333344124
71253462665
oct327223464
9127167327
1056436532
1129947669
1216a98044
13b8cccc9
1476d136c
154e4be07
hex35d2734

56436532 has 12 divisors (see below), whose sum is σ = 104573700. Its totient is φ = 26558336.

The previous prime is 56436491. The next prime is 56436533. The reversal of 56436532 is 23563465.

It can be written as a sum of positive squares in 2 ways, for example, as 51753636 + 4682896 = 7194^2 + 2164^2 .

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56436533) 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, 414907 + ... + 415042.

It is an arithmetic number, because the mean of its divisors is an integer number (8714475).

Almost surely, 256436532 is an apocalyptic number.

It is an amenable number.

56436532 is a deficient number, since it is larger than the sum of its proper divisors (48137168).

56436532 is a wasteful number, since it uses less digits than its factorization.

56436532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 829970 (or 829968 counting only the distinct ones).

The product of its digits is 64800, while the sum is 34.

The square root of 56436532 is about 7512.4251743362. The cubic root of 56436532 is about 383.5777784719.

Adding to 56436532 its reverse (23563465), we get a palindrome (79999997).

The spelling of 56436532 in words is "fifty-six million, four hundred thirty-six thousand, five hundred thirty-two".

Divisors: 1 2 4 17 34 68 829949 1659898 3319796 14109133 28218266 56436532