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53944786 = 272550457
BaseRepresentation
bin1100110111001…
…0000111010010
310202111200100001
43031302013102
5102302213121
65204120214
71223344300
oct315620722
9122450301
1053944786
11284a5575
121609606a
13b239abc
147243270
154b08991
hex33721d2

53944786 has 12 divisors (see below), whose sum is σ = 94128318. Its totient is φ = 23119152.

The previous prime is 53944777. The next prime is 53944789. The reversal of 53944786 is 68744935.

53944786 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 48511225 + 5433561 = 6965^2 + 2331^2 .

It is not an unprimeable number, because it can be changed into a prime (53944789) 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 5 ways as a sum of consecutive naturals, for example, 275131 + ... + 275326.

Almost surely, 253944786 is an apocalyptic number.

53944786 is a deficient number, since it is larger than the sum of its proper divisors (40183532).

53944786 is a wasteful number, since it uses less digits than its factorization.

53944786 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 550473 (or 550466 counting only the distinct ones).

The product of its digits is 725760, while the sum is 46.

The square root of 53944786 is about 7344.7114306826. The cubic root of 53944786 is about 377.8474464424.

The spelling of 53944786 in words is "fifty-three million, nine hundred forty-four thousand, seven hundred eighty-six".

Divisors: 1 2 7 14 49 98 550457 1100914 3853199 7706398 26972393 53944786