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42758713 is a prime number
BaseRepresentation
bin1010001100011…
…1001000111001
32222110100221001
42203013020321
541421234323
64124245001
71026304654
oct243071071
988410831
1042758713
1122155288
12123a0761
138b2141a
14597089b
153b493ad
hex28c7239

42758713 has 2 divisors, whose sum is σ = 42758714. Its totient is φ = 42758712.

The previous prime is 42758711. The next prime is 42758747. The reversal of 42758713 is 31785724.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 32569849 + 10188864 = 5707^2 + 3192^2 .

It is a cyclic number.

It is not a de Polignac number, because 42758713 - 21 = 42758711 is a prime.

Together with 42758711, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (42758711) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21379356 + 21379357.

It is an arithmetic number, because the mean of its divisors is an integer number (21379357).

Almost surely, 242758713 is an apocalyptic number.

It is an amenable number.

42758713 is a deficient number, since it is larger than the sum of its proper divisors (1).

42758713 is an equidigital number, since it uses as much as digits as its factorization.

42758713 is an evil number, because the sum of its binary digits is even.

The product of its digits is 47040, while the sum is 37.

The square root of 42758713 is about 6539.0146811274. The cubic root of 42758713 is about 349.6832862825.

The spelling of 42758713 in words is "forty-two million, seven hundred fifty-eight thousand, seven hundred thirteen".