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56345532 = 22310345587
BaseRepresentation
bin1101011011110…
…0001110111100
310221000122112120
43112330032330
5103411024112
65331402540
71252633455
oct326741674
9127018476
1056345532
1129895261
1216a53450
13b89a769
1476aa12c
154e2ee8c
hex35bc3bc

56345532 has 24 divisors (see below), whose sum is σ = 132752256. Its totient is φ = 18599088.

The previous prime is 56345503. The next prime is 56345533. The reversal of 56345532 is 23554365.

It is a junction number, because it is equal to n+sod(n) for n = 56345493 and 56345502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56345533) 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, 21558 + ... + 24029.

It is an arithmetic number, because the mean of its divisors is an integer number (5531344).

Almost surely, 256345532 is an apocalyptic number.

It is an amenable number.

56345532 is an abundant number, since it is smaller than the sum of its proper divisors (76406724).

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

56345532 is a wasteful number, since it uses less digits than its factorization.

56345532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45697 (or 45695 counting only the distinct ones).

The product of its digits is 54000, while the sum is 33.

The square root of 56345532 is about 7506.3660981863. The cubic root of 56345532 is about 383.3715033615.

Adding to 56345532 its reverse (23554365), we get a palindrome (79899897).

The spelling of 56345532 in words is "fifty-six million, three hundred forty-five thousand, five hundred thirty-two".

Divisors: 1 2 3 4 6 12 103 206 309 412 618 1236 45587 91174 136761 182348 273522 547044 4695461 9390922 14086383 18781844 28172766 56345532