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52120427 is a prime number
BaseRepresentation
bin1100011011010…
…0101101101011
310122001222210012
43012310231223
5101320323202
65101042135
71202005412
oct306645553
9118058705
1052120427
1127469937
121555634b
13aa4b5b8
146cca479
154898152
hex31b4b6b

52120427 has 2 divisors, whose sum is σ = 52120428. Its totient is φ = 52120426.

The previous prime is 52120381. The next prime is 52120433. The reversal of 52120427 is 72402125.

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-52120427 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (52120027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26060213 + 26060214.

It is an arithmetic number, because the mean of its divisors is an integer number (26060214).

Almost surely, 252120427 is an apocalyptic number.

52120427 is a deficient number, since it is larger than the sum of its proper divisors (1).

52120427 is an equidigital number, since it uses as much as digits as its factorization.

52120427 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1120, while the sum is 23.

The square root of 52120427 is about 7219.4478320714. The cubic root of 52120427 is about 373.5390314324.

The spelling of 52120427 in words is "fifty-two million, one hundred twenty thousand, four hundred twenty-seven".