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897097 = 7312289
BaseRepresentation
bin11011011000001001001
31200120120211
43123001021
5212201342
631121121
710424305
oct3330111
91616524
10897097
11563003
123731a1
13255436
14194d05
1512ac17
hexdb049

897097 has 4 divisors (see below), whose sum is σ = 909460. Its totient is φ = 884736.

The previous prime is 897077. The next prime is 897101. The reversal of 897097 is 790798.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 622521 + 274576 = 789^2 + 524^2 .

It is a 5-Lehmer number, since φ(897097) divides (897097-1)5.

It is a cyclic number.

It is not a de Polignac number, because 897097 - 211 = 895049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (897007) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6072 + ... + 6217.

It is an arithmetic number, because the mean of its divisors is an integer number (227365).

2897097 is an apocalyptic number.

It is an amenable number.

897097 is a deficient number, since it is larger than the sum of its proper divisors (12363).

897097 is a wasteful number, since it uses less digits than its factorization.

897097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12362.

The product of its (nonzero) digits is 31752, while the sum is 40.

The square root of 897097 is about 947.1520469281. The cubic root of 897097 is about 96.4450186590.

The spelling of 897097 in words is "eight hundred ninety-seven thousand, ninety-seven".

Divisors: 1 73 12289 897097