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56423532 = 22311427451
BaseRepresentation
bin1101011100111…
…1010001101100
310221011121112110
43113033101230
5103421023112
65333204020
71253410044
oct327172154
9127147473
1056423532
1129938920
1216a90610
13b8c7109
1476ca724
154e4813c
hex35cf46c

56423532 has 24 divisors (see below), whose sum is σ = 143623872. Its totient is φ = 17098000.

The previous prime is 56423519. The next prime is 56423533. The reversal of 56423532 is 23532465.

It is a super-2 number, since 2×564235322 = 6367229926710048, which contains 22 as substring.

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 56423532.

It is not an unprimeable number, because it can be changed into a prime (56423533) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 213594 + ... + 213857.

It is an arithmetic number, because the mean of its divisors is an integer number (5984328).

Almost surely, 256423532 is an apocalyptic number.

It is an amenable number.

56423532 is an abundant number, since it is smaller than the sum of its proper divisors (87200340).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

56423532 is a wasteful number, since it uses less digits than its factorization.

56423532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 427469 (or 427467 counting only the distinct ones).

The product of its digits is 21600, while the sum is 30.

The square root of 56423532 is about 7511.5598912609. The cubic root of 56423532 is about 383.5483241813.

Adding to 56423532 its reverse (23532465), we get a palindrome (79955997).

The spelling of 56423532 in words is "fifty-six million, four hundred twenty-three thousand, five hundred thirty-two".

Divisors: 1 2 3 4 6 11 12 22 33 44 66 132 427451 854902 1282353 1709804 2564706 4701961 5129412 9403922 14105883 18807844 28211766 56423532