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52204247 is a prime number
BaseRepresentation
bin1100011100100…
…1001011010111
310122020020202122
43013021023113
5101331013442
65102530155
71202504654
oct307111327
9118206678
1052204247
1127516907
121559695b
13aa7a7b4
146d0cc2b
1548b2dd2
hex31c92d7

52204247 has 2 divisors, whose sum is σ = 52204248. Its totient is φ = 52204246.

The previous prime is 52204231. The next prime is 52204249. The reversal of 52204247 is 74240225.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 52204247 - 24 = 52204231 is a prime.

It is a super-3 number, since 3×522042473 (a number of 24 digits) contains 333 as substring.

Together with 52204249, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52204249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26102123 + 26102124.

It is an arithmetic number, because the mean of its divisors is an integer number (26102124).

Almost surely, 252204247 is an apocalyptic number.

52204247 is a deficient number, since it is larger than the sum of its proper divisors (1).

52204247 is an equidigital number, since it uses as much as digits as its factorization.

52204247 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4480, while the sum is 26.

The square root of 52204247 is about 7225.2506530916. The cubic root of 52204247 is about 373.7391658399.

The spelling of 52204247 in words is "fifty-two million, two hundred four thousand, two hundred forty-seven".