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52155223 is a prime number
BaseRepresentation
bin1100011011110…
…1001101010111
310122010202111221
43012331031113
5101322431343
65101511211
71202212021
oct306751527
9118122457
1052155223
1127492a9a
1215572507
13aa613a3
146cd9011
1548a35ed
hex31bd357

52155223 has 2 divisors, whose sum is σ = 52155224. Its totient is φ = 52155222.

The previous prime is 52155211. The next prime is 52155227. The reversal of 52155223 is 32255125.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-52155223 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52155227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26077611 + 26077612.

It is an arithmetic number, because the mean of its divisors is an integer number (26077612).

Almost surely, 252155223 is an apocalyptic number.

52155223 is a deficient number, since it is larger than the sum of its proper divisors (1).

52155223 is an equidigital number, since it uses as much as digits as its factorization.

52155223 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3000, while the sum is 25.

The square root of 52155223 is about 7221.8573095846. The cubic root of 52155223 is about 373.6221387891.

The spelling of 52155223 in words is "fifty-two million, one hundred fifty-five thousand, two hundred twenty-three".