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57730703 = 331174413
BaseRepresentation
bin1101110000111…
…0011010001111
311000122000122012
43130032122033
5104234340303
65421211435
71300463042
oct334163217
9130560565
1057730703
112a650a28
1217400b7b
13bc640a4
14794ac59
1551055d8
hex370e68f

57730703 has 4 divisors (see below), whose sum is σ = 57905448. Its totient is φ = 57555960.

The previous prime is 57730697. The next prime is 57730723. The reversal of 57730703 is 30703775.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-57730703 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 57730703.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57730723) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 86876 + ... + 87537.

It is an arithmetic number, because the mean of its divisors is an integer number (14476362).

Almost surely, 257730703 is an apocalyptic number.

57730703 is a deficient number, since it is larger than the sum of its proper divisors (174745).

57730703 is a wasteful number, since it uses less digits than its factorization.

57730703 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174744.

The product of its (nonzero) digits is 15435, while the sum is 32.

The square root of 57730703 is about 7598.0723213194. The cubic root of 57730703 is about 386.4876451140.

The spelling of 57730703 in words is "fifty-seven million, seven hundred thirty thousand, seven hundred three".

Divisors: 1 331 174413 57730703