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8090073 = 32898897
BaseRepresentation
bin11110110111000111011001
3120020000111100
4132313013121
54032340243
6445222013
7125523135
oct36670731
916200440
108090073
114626212
122861909
1318a3434
1411083c5
15a9c0d3
hex7b71d9

8090073 has 6 divisors (see below), whose sum is σ = 11685674. Its totient is φ = 5393376.

The previous prime is 8090057. The next prime is 8090081. The reversal of 8090073 is 3700908.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 7884864 + 205209 = 2808^2 + 453^2 .

It is not a de Polignac number, because 8090073 - 24 = 8090057 is a prime.

It is a super-2 number, since 2×80900732 = 130898562290658, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (8090083) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 449440 + ... + 449457.

Almost surely, 28090073 is an apocalyptic number.

It is an amenable number.

8090073 is a deficient number, since it is larger than the sum of its proper divisors (3595601).

8090073 is a wasteful number, since it uses less digits than its factorization.

8090073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 898903 (or 898900 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 27.

The square root of 8090073 is about 2844.3053633532. The cubic root of 8090073 is about 200.7478087587.

The spelling of 8090073 in words is "eight million, ninety thousand, seventy-three".

Divisors: 1 3 9 898897 2696691 8090073