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8080740 = 2232544893
BaseRepresentation
bin11110110100110101100100
3120012112200200
4132310311210
54032040430
6445110500
7125454003
oct36646544
916175620
108080740
11461a1a8
122858430
13189c105
141104c3a
15a99460
hex7b4d64

8080740 has 36 divisors (see below), whose sum is σ = 24512124. Its totient is φ = 2154816.

The previous prime is 8080733. The next prime is 8080759. The reversal of 8080740 is 470808.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 3594816 + 4485924 = 1896^2 + 2118^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22267 + ... + 22626.

Almost surely, 28080740 is an apocalyptic number.

It is an amenable number.

8080740 is an abundant number, since it is smaller than the sum of its proper divisors (16431384).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8080740 is a wasteful number, since it uses less digits than its factorization.

8080740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44908 (or 44903 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 27.

The square root of 8080740 is about 2842.6642432760. The cubic root of 8080740 is about 200.6705824165.

The spelling of 8080740 in words is "eight million, eighty thousand, seven hundred forty".

Divisors: 1 2 3 4 5 6 9 10 12 15 18 20 30 36 45 60 90 180 44893 89786 134679 179572 224465 269358 404037 448930 538716 673395 808074 897860 1346790 1616148 2020185 2693580 4040370 8080740