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42907713 = 314302571
BaseRepresentation
bin1010001110101…
…1100001000001
32222201221022120
42203223201001
541441021323
64131354453
71030465242
oct243534101
988657276
1042907713
1122247222
1212452a29
138b741a4
1459accc9
153b785e3
hex28eb841

42907713 has 4 divisors (see below), whose sum is σ = 57210288. Its totient is φ = 28605140.

The previous prime is 42907703. The next prime is 42907747. The reversal of 42907713 is 31770924.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 42907713 - 218 = 42645569 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42907703) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7151283 + ... + 7151288.

It is an arithmetic number, because the mean of its divisors is an integer number (14302572).

Almost surely, 242907713 is an apocalyptic number.

It is an amenable number.

42907713 is a deficient number, since it is larger than the sum of its proper divisors (14302575).

42907713 is a wasteful number, since it uses less digits than its factorization.

42907713 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14302574.

The product of its (nonzero) digits is 10584, while the sum is 33.

The square root of 42907713 is about 6550.3979268438. The cubic root of 42907713 is about 350.0889923365.

The spelling of 42907713 in words is "forty-two million, nine hundred seven thousand, seven hundred thirteen".

Divisors: 1 3 14302571 42907713