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52380257 is a prime number
BaseRepresentation
bin1100011111010…
…0001001100001
310122120012012112
43013310021201
5101402132012
65110405105
71204140056
oct307641141
9118505175
1052380257
1127627076
1215660795
13ab0c947
146d5702d
1548ea122
hex31f4261

52380257 has 2 divisors, whose sum is σ = 52380258. Its totient is φ = 52380256.

The previous prime is 52380241. The next prime is 52380287. The reversal of 52380257 is 75208325.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 27290176 + 25090081 = 5224^2 + 5009^2 .

It is a cyclic number.

It is not a de Polignac number, because 52380257 - 24 = 52380241 is a prime.

It is not a weakly prime, because it can be changed into another prime (52380227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26190128 + 26190129.

It is an arithmetic number, because the mean of its divisors is an integer number (26190129).

Almost surely, 252380257 is an apocalyptic number.

It is an amenable number.

52380257 is a deficient number, since it is larger than the sum of its proper divisors (1).

52380257 is an equidigital number, since it uses as much as digits as its factorization.

52380257 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16800, while the sum is 32.

The square root of 52380257 is about 7237.4206040550. The cubic root of 52380257 is about 374.1587232724.

The spelling of 52380257 in words is "fifty-two million, three hundred eighty thousand, two hundred fifty-seven".