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8297073 = 34102433
BaseRepresentation
bin11111101001101001110001
3120121112110000
4133221221301
54111001243
6453500213
7130344501
oct37515161
916545400
108297073
114757794
122941669
131946715
14115da01
15add5d3
hex7e9a71

8297073 has 10 divisors (see below), whose sum is σ = 12394514. Its totient is φ = 5531328.

The previous prime is 8297063. The next prime is 8297099. The reversal of 8297073 is 3707928.

It can be written as a sum of positive squares in only one way, i.e., 7683984 + 613089 = 2772^2 + 783^2 .

It is not a de Polignac number, because 8297073 - 213 = 8288881 is a prime.

It is a Duffinian number.

It is a Curzon number.

8297073 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (8297063) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 51136 + ... + 51297.

Almost surely, 28297073 is an apocalyptic number.

It is an amenable number.

8297073 is a deficient number, since it is larger than the sum of its proper divisors (4097441).

8297073 is a wasteful number, since it uses less digits than its factorization.

8297073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102445 (or 102436 counting only the distinct ones).

The product of its (nonzero) digits is 21168, while the sum is 36.

The square root of 8297073 is about 2880.4640251182. The cubic root of 8297073 is about 202.4455820854.

The spelling of 8297073 in words is "eight million, two hundred ninety-seven thousand, seventy-three".

Divisors: 1 3 9 27 81 102433 307299 921897 2765691 8297073