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57665341 = 79772353
BaseRepresentation
bin1101101111111…
…0011100111101
311000111200222101
43123332130331
5104230242331
65415545101
71300101346
oct333763475
9130450871
1057665341
112a606908
121738b191
13bc40406
1479310cd
1550e1061
hex36fe73d

57665341 has 4 divisors (see below), whose sum is σ = 57738492. Its totient is φ = 57592192.

The previous prime is 57665327. The next prime is 57665371. The reversal of 57665341 is 14356675.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 45091225 + 12574116 = 6715^2 + 3546^2 .

It is a cyclic number.

It is not a de Polignac number, because 57665341 - 27 = 57665213 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 57665341.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57665371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35380 + ... + 36973.

It is an arithmetic number, because the mean of its divisors is an integer number (14434623).

Almost surely, 257665341 is an apocalyptic number.

It is an amenable number.

57665341 is a deficient number, since it is larger than the sum of its proper divisors (73151).

57665341 is an equidigital number, since it uses as much as digits as its factorization.

57665341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73150.

The product of its digits is 75600, while the sum is 37.

The square root of 57665341 is about 7593.7698806324. The cubic root of 57665341 is about 386.3417311620.

The spelling of 57665341 in words is "fifty-seven million, six hundred sixty-five thousand, three hundred forty-one".

Divisors: 1 797 72353 57665341