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42795829 is a prime number
BaseRepresentation
bin1010001101000…
…0001100110101
32222112020211201
42203100030311
541423431304
64125132501
71026521116
oct243201465
988466751
1042795829
112218015a
12123ba131
138b3529b
14598020d
153b553a4
hex28d0335

42795829 has 2 divisors, whose sum is σ = 42795830. Its totient is φ = 42795828.

The previous prime is 42795811. The next prime is 42795833. The reversal of 42795829 is 92859724.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 31337604 + 11458225 = 5598^2 + 3385^2 .

It is a cyclic number.

It is not a de Polignac number, because 42795829 - 221 = 40698677 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42795839) 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, 21397914 + 21397915.

It is an arithmetic number, because the mean of its divisors is an integer number (21397915).

Almost surely, 242795829 is an apocalyptic number.

It is an amenable number.

42795829 is a deficient number, since it is larger than the sum of its proper divisors (1).

42795829 is an equidigital number, since it uses as much as digits as its factorization.

42795829 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 362880, while the sum is 46.

The square root of 42795829 is about 6541.8521077750. The cubic root of 42795829 is about 349.7844359695.

The spelling of 42795829 in words is "forty-two million, seven hundred ninety-five thousand, eight hundred twenty-nine".