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52271819 is a prime number
BaseRepresentation
bin1100011101100…
…1101011001011
310122100200110022
43013121223023
5101340144234
65104211055
71203205655
oct307315313
9118320408
1052271819
1127562656
1215609a8b
13aaa2492
146d296d5
1548c7e2e
hex31d9acb

52271819 has 2 divisors, whose sum is σ = 52271820. Its totient is φ = 52271818.

The previous prime is 52271773. The next prime is 52271827. The reversal of 52271819 is 91817225.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 52271819 - 28 = 52271563 is a prime.

It is a super-2 number, since 2×522718192 = 5464686123137522, which contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (52271119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26135909 + 26135910.

It is an arithmetic number, because the mean of its divisors is an integer number (26135910).

Almost surely, 252271819 is an apocalyptic number.

52271819 is a deficient number, since it is larger than the sum of its proper divisors (1).

52271819 is an equidigital number, since it uses as much as digits as its factorization.

52271819 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10080, while the sum is 35.

The square root of 52271819 is about 7229.9252416605. The cubic root of 52271819 is about 373.9003494983.

The spelling of 52271819 in words is "fifty-two million, two hundred seventy-one thousand, eight hundred nineteen".