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8090260 = 225404513
BaseRepresentation
bin11110110111001010010100
3120020000202021
4132313022110
54032342020
6445222524
7125523523
oct36671224
916200667
108090260
114626372
122861a44
1318a3549
1411084ba
15a9c1aa
hex7b7294

8090260 has 12 divisors (see below), whose sum is σ = 16989588. Its totient is φ = 3236096.

The previous prime is 8090239. The next prime is 8090267. The reversal of 8090260 is 620908.

It can be written as a sum of positive squares in 2 ways, for example, as 4999696 + 3090564 = 2236^2 + 1758^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8090267) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 202237 + ... + 202276.

It is an arithmetic number, because the mean of its divisors is an integer number (1415799).

Almost surely, 28090260 is an apocalyptic number.

It is an amenable number.

8090260 is an abundant number, since it is smaller than the sum of its proper divisors (8899328).

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

8090260 is a wasteful number, since it uses less digits than its factorization.

8090260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 404522 (or 404520 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 8090260 is about 2844.3382358644. The cubic root of 8090260 is about 200.7493554918.

The spelling of 8090260 in words is "eight million, ninety thousand, two hundred sixty".

Divisors: 1 2 4 5 10 20 404513 809026 1618052 2022565 4045130 8090260