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42269933 is a prime number
BaseRepresentation
bin1010000100111…
…1110011101101
32221112112110002
42201033303231
541310114213
64105554045
71022200646
oct241176355
987475402
1042269933
1121951032
12121a5925
1389acac4
1458846cd
153a9e658
hex284fced

42269933 has 2 divisors, whose sum is σ = 42269934. Its totient is φ = 42269932.

The previous prime is 42269917. The next prime is 42269951. The reversal of 42269933 is 33996224.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 39904489 + 2365444 = 6317^2 + 1538^2 .

It is a cyclic number.

It is not a de Polignac number, because 42269933 - 24 = 42269917 is a prime.

It is a super-4 number, since 4×422699334 (a number of 32 digits) contains 4444 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42269963) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21134966 + 21134967.

It is an arithmetic number, because the mean of its divisors is an integer number (21134967).

Almost surely, 242269933 is an apocalyptic number.

It is an amenable number.

42269933 is a deficient number, since it is larger than the sum of its proper divisors (1).

42269933 is an equidigital number, since it uses as much as digits as its factorization.

42269933 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 69984, while the sum is 38.

The square root of 42269933 is about 6501.5331268863. The cubic root of 42269933 is about 348.3457528341.

The spelling of 42269933 in words is "forty-two million, two hundred sixty-nine thousand, nine hundred thirty-three".