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8228418 = 2311124673
BaseRepresentation
bin11111011000111001000010
3120111001021020
4133120321002
54101302133
6452210310
7126640362
oct37307102
916431236
108228418
114710150
122909996
1319213b3
1411429a2
15ac80b3
hex7d8e42

8228418 has 16 divisors (see below), whose sum is σ = 17953056. Its totient is φ = 2493440.

The previous prime is 8228417. The next prime is 8228419. The reversal of 8228418 is 8148228.

8228418 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 (8228417) and next prime (8228419).

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (8228417) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62271 + ... + 62402.

It is an arithmetic number, because the mean of its divisors is an integer number (1122066).

Almost surely, 28228418 is an apocalyptic number.

8228418 is an abundant number, since it is smaller than the sum of its proper divisors (9724638).

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

8228418 is a wasteful number, since it uses less digits than its factorization.

8228418 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124689.

The product of its digits is 8192, while the sum is 33.

The square root of 8228418 is about 2868.5219190377. The cubic root of 8228418 is about 201.8856490978.

It can be divided in two parts, 8228 and 418, that added together give a triangular number (8646 = T131).

The spelling of 8228418 in words is "eight million, two hundred twenty-eight thousand, four hundred eighteen".

Divisors: 1 2 3 6 11 22 33 66 124673 249346 374019 748038 1371403 2742806 4114209 8228418