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742897 is a prime number
BaseRepresentation
bin10110101010111110001
31101202001201
42311113301
5142233042
623531201
76212611
oct2652761
91352051
10742897
11468171
122b9b01
132001ac
14154a41
15ea1b7
hexb55f1

742897 has 2 divisors, whose sum is σ = 742898. Its totient is φ = 742896.

The previous prime is 742891. The next prime is 742909. The reversal of 742897 is 798247.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 583696 + 159201 = 764^2 + 399^2 .

It is a cyclic number.

It is not a de Polignac number, because 742897 - 211 = 740849 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (742891) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 371448 + 371449.

It is an arithmetic number, because the mean of its divisors is an integer number (371449).

2742897 is an apocalyptic number.

It is an amenable number.

742897 is a deficient number, since it is larger than the sum of its proper divisors (1).

742897 is an equidigital number, since it uses as much as digits as its factorization.

742897 is an evil number, because the sum of its binary digits is even.

The product of its digits is 28224, while the sum is 37.

The square root of 742897 is about 861.9147289610. The cubic root of 742897 is about 90.5682969903.

The spelling of 742897 in words is "seven hundred forty-two thousand, eight hundred ninety-seven".