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8540090 = 2513179367
BaseRepresentation
bin100000100100…
…111110111010
3121001212210122
4200210332322
54141240330
6503013242
7132406136
oct40447672
917055718
108540090
114903329
122a3a222
131a00210
1411c43c6
15b3a5e5
hex824fba

8540090 has 32 divisors (see below), whose sum is σ = 16692480. Its totient is φ = 3127104.

The previous prime is 8540089. The next prime is 8540099. The reversal of 8540090 is 900458.

8540090 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is not an unprimeable number, because it can be changed into a prime (8540099) 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, 23087 + ... + 23453.

It is an arithmetic number, because the mean of its divisors is an integer number (521640).

Almost surely, 28540090 is an apocalyptic number.

8540090 is a deficient number, since it is larger than the sum of its proper divisors (8152390).

8540090 is a wasteful number, since it uses less digits than its factorization.

8540090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 566.

The product of its (nonzero) digits is 1440, while the sum is 26.

The square root of 8540090 is about 2922.3432378829. The cubic root of 8540090 is about 204.4031020908.

The spelling of 8540090 in words is "eight million, five hundred forty thousand, ninety".

Divisors: 1 2 5 10 13 26 65 130 179 358 367 734 895 1790 1835 2327 3670 4654 4771 9542 11635 23270 23855 47710 65693 131386 328465 656930 854009 1708018 4270045 8540090