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8080905 = 35776961
BaseRepresentation
bin11110110100111000001001
3120012112220210
4132310320021
54032042110
6445111333
7125454330
oct36647011
916175823
108080905
11461a338
122858549
13189c201
141104d17
15a99520
hex7b4e09

8080905 has 16 divisors (see below), whose sum is σ = 14776704. Its totient is φ = 3694080.

The previous prime is 8080903. The next prime is 8080907. The reversal of 8080905 is 5090808.

8080905 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (8080903) and next prime (8080907).

It is not a de Polignac number, because 8080905 - 21 = 8080903 is a prime.

It is a nialpdrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (8080901) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38376 + ... + 38585.

It is an arithmetic number, because the mean of its divisors is an integer number (923544).

Almost surely, 28080905 is an apocalyptic number.

It is an amenable number.

8080905 is a deficient number, since it is larger than the sum of its proper divisors (6695799).

8080905 is a wasteful number, since it uses less digits than its factorization.

8080905 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76976.

The product of its (nonzero) digits is 2880, while the sum is 30.

The square root of 8080905 is about 2842.6932651976. The cubic root of 8080905 is about 200.6719482329.

The spelling of 8080905 in words is "eight million, eighty thousand, nine hundred five".

Divisors: 1 3 5 7 15 21 35 105 76961 230883 384805 538727 1154415 1616181 2693635 8080905