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42558853 is a prime number
BaseRepresentation
bin1010001001011…
…0010110000101
32222002012202211
42202112112011
541343340403
64120103421
71024513201
oct242262605
988065684
1042558853
1122029107
1212304b71
138a8146c
14591bb01
153b0a06d
hex2896585

42558853 has 2 divisors, whose sum is σ = 42558854. Its totient is φ = 42558852.

The previous prime is 42558839. The next prime is 42558889. The reversal of 42558853 is 35885524.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 42484324 + 74529 = 6518^2 + 273^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-42558853 is a prime.

It is a super-2 number, since 2×425588532 = 3622511937351218, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42558823) 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, 21279426 + 21279427.

It is an arithmetic number, because the mean of its divisors is an integer number (21279427).

Almost surely, 242558853 is an apocalyptic number.

It is an amenable number.

42558853 is a deficient number, since it is larger than the sum of its proper divisors (1).

42558853 is an equidigital number, since it uses as much as digits as its factorization.

42558853 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 192000, while the sum is 40.

The square root of 42558853 is about 6523.7146626749. The cubic root of 42558853 is about 349.1376129097.

The spelling of 42558853 in words is "forty-two million, five hundred fifty-eight thousand, eight hundred fifty-three".