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487397 is a prime number
BaseRepresentation
bin1110110111111100101
3220202120202
41312333211
5111044042
614240245
74066661
oct1667745
9822522
10487397
11303209
121b6085
13140b01
14c98a1
1599632
hex76fe5

487397 has 2 divisors, whose sum is σ = 487398. Its totient is φ = 487396.

The previous prime is 487391. The next prime is 487423. The reversal of 487397 is 793784.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 256036 + 231361 = 506^2 + 481^2 .

It is a cyclic number.

It is not a de Polignac number, because 487397 - 24 = 487381 is a prime.

It is an Ulam number.

It is a nialpdrome in base 15.

It is a self number, because there is not a number n which added to its sum of digits gives 487397.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (487391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 243698 + 243699.

It is an arithmetic number, because the mean of its divisors is an integer number (243699).

2487397 is an apocalyptic number.

It is an amenable number.

487397 is a deficient number, since it is larger than the sum of its proper divisors (1).

487397 is an equidigital number, since it uses as much as digits as its factorization.

487397 is an evil number, because the sum of its binary digits is even.

The product of its digits is 42336, while the sum is 38.

The square root of 487397 is about 698.1382384600. The cubic root of 487397 is about 78.6975025942.

The spelling of 487397 in words is "four hundred eighty-seven thousand, three hundred ninety-seven".