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42170701 is a prime number
BaseRepresentation
bin1010000011011…
…1100101001101
32221100111022211
42200313211031
541243430301
64103510421
71021305436
oct240674515
987314284
1042170701
1121893521
1212158411
1389768a1
14585a48d
153a80051
hex283794d

42170701 has 2 divisors, whose sum is σ = 42170702. Its totient is φ = 42170700.

The previous prime is 42170651. The next prime is 42170729. The reversal of 42170701 is 10707124.

42170701 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 37197801 + 4972900 = 6099^2 + 2230^2 .

It is a cyclic number.

It is not a de Polignac number, because 42170701 - 29 = 42170189 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42170501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21085350 + 21085351.

It is an arithmetic number, because the mean of its divisors is an integer number (21085351).

Almost surely, 242170701 is an apocalyptic number.

It is an amenable number.

42170701 is a deficient number, since it is larger than the sum of its proper divisors (1).

42170701 is an equidigital number, since it uses as much as digits as its factorization.

42170701 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 392, while the sum is 22.

The square root of 42170701 is about 6493.8972119984. The cubic root of 42170701 is about 348.0729495415.

Adding to 42170701 its reverse (10707124), we get a palindrome (52877825).

The spelling of 42170701 in words is "forty-two million, one hundred seventy thousand, seven hundred one".