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56806446 = 2331305411
BaseRepresentation
bin1101100010110…
…0110000101110
310221220001210110
43120230300232
5104020301241
65345320450
71256563314
oct330546056
9127801713
1056806446
112a07a584
1217036126
13b9cc4a8
14778a0b4
154ec1816
hex362cc2e

56806446 has 16 divisors (see below), whose sum is σ = 117278208. Its totient is φ = 18324600.

The previous prime is 56806441. The next prime is 56806487. The reversal of 56806446 is 64460865.

56806446 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56806441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 152520 + ... + 152891.

It is an arithmetic number, because the mean of its divisors is an integer number (7329888).

Almost surely, 256806446 is an apocalyptic number.

56806446 is an abundant number, since it is smaller than the sum of its proper divisors (60471762).

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

56806446 is a wasteful number, since it uses less digits than its factorization.

56806446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 305447.

The product of its (nonzero) digits is 138240, while the sum is 39.

The square root of 56806446 is about 7537.0051081315. The cubic root of 56806446 is about 384.4140093134.

The spelling of 56806446 in words is "fifty-six million, eight hundred six thousand, four hundred forty-six".

Divisors: 1 2 3 6 31 62 93 186 305411 610822 916233 1832466 9467741 18935482 28403223 56806446