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42710747 = 231856989
BaseRepresentation
bin1010001011101…
…1011011011011
32222100221010112
42202323123123
541413220442
64123234535
71026015062
oct242733333
988327115
1042710747
1122122242
1212378a4b
138b05641
14595b1d9
153b3a082
hex28bb6db

42710747 has 4 divisors (see below), whose sum is σ = 44567760. Its totient is φ = 40853736.

The previous prime is 42710741. The next prime is 42710791. The reversal of 42710747 is 74701724.

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

It is a cyclic number.

It is not a de Polignac number, because 42710747 - 26 = 42710683 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42710741) 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, 928472 + ... + 928517.

It is an arithmetic number, because the mean of its divisors is an integer number (11141940).

Almost surely, 242710747 is an apocalyptic number.

42710747 is a deficient number, since it is larger than the sum of its proper divisors (1857013).

42710747 is a wasteful number, since it uses less digits than its factorization.

42710747 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1857012.

The product of its (nonzero) digits is 10976, while the sum is 32.

The square root of 42710747 is about 6535.3459740093. The cubic root of 42710747 is about 349.5524810960.

The spelling of 42710747 in words is "forty-two million, seven hundred ten thousand, seven hundred forty-seven".

Divisors: 1 23 1856989 42710747