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42795497 is a prime number
BaseRepresentation
bin1010001101000…
…0000111101001
32222112020101102
42203100013221
541423423442
64125131145
71026520133
oct243200751
988466342
1042795497
112217a988
12123b9ab5
138b350a4
145980053
153b55232
hex28d01e9

42795497 has 2 divisors, whose sum is σ = 42795498. Its totient is φ = 42795496.

The previous prime is 42795451. The next prime is 42795509. The reversal of 42795497 is 79459724.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 42784681 + 10816 = 6541^2 + 104^2 .

It is a cyclic number.

It is not a de Polignac number, because 42795497 - 210 = 42794473 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (42795437) 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 as a sum of consecutive naturals, namely, 21397748 + 21397749.

It is an arithmetic number, because the mean of its divisors is an integer number (21397749).

Almost surely, 242795497 is an apocalyptic number.

It is an amenable number.

42795497 is a deficient number, since it is larger than the sum of its proper divisors (1).

42795497 is an equidigital number, since it uses as much as digits as its factorization.

42795497 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 635040, while the sum is 47.

The square root of 42795497 is about 6541.8267326489. The cubic root of 42795497 is about 349.7835314519.

The spelling of 42795497 in words is "forty-two million, seven hundred ninety-five thousand, four hundred ninety-seven".