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42204677 is a prime number
BaseRepresentation
bin1010000011111…
…1111000000101
32221102012221012
42200333320011
541301022202
64104332005
71021506464
oct240777005
987365835
1042204677
1121906aa9
1212174005
1389891a8
1458689db
153a8a152
hex283fe05

42204677 has 2 divisors, whose sum is σ = 42204678. Its totient is φ = 42204676.

The previous prime is 42204623. The next prime is 42204749. The reversal of 42204677 is 77640224.

42204677 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 38514436 + 3690241 = 6206^2 + 1921^2 .

It is a cyclic number.

It is not a de Polignac number, because 42204677 - 210 = 42203653 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42204277) 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, 21102338 + 21102339.

It is an arithmetic number, because the mean of its divisors is an integer number (21102339).

Almost surely, 242204677 is an apocalyptic number.

It is an amenable number.

42204677 is a deficient number, since it is larger than the sum of its proper divisors (1).

42204677 is an equidigital number, since it uses as much as digits as its factorization.

42204677 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18816, while the sum is 32.

The square root of 42204677 is about 6496.5126798922. The cubic root of 42204677 is about 348.1664026710.

The spelling of 42204677 in words is "forty-two million, two hundred four thousand, six hundred seventy-seven".