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8198238 = 233736929
BaseRepresentation
bin11111010001100001011110
3120102111212110
4133101201132
54044320423
6451414450
7126453366
oct37214136
916374773
108198238
11469a504
1228b4426
131910739
1411359a6
15abe193
hex7d185e

8198238 has 16 divisors (see below), whose sum is σ = 16840080. Its totient is φ = 2658816.

The previous prime is 8198221. The next prime is 8198249. The reversal of 8198238 is 8328918.

It is a super-2 number, since 2×81982382 = 134422212609288, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 8198196 and 8198205.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 18243 + ... + 18686.

It is an arithmetic number, because the mean of its divisors is an integer number (1052505).

Almost surely, 28198238 is an apocalyptic number.

8198238 is an abundant number, since it is smaller than the sum of its proper divisors (8641842).

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

8198238 is a wasteful number, since it uses less digits than its factorization.

8198238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36971.

The product of its digits is 27648, while the sum is 39.

The square root of 8198238 is about 2863.2565375809. The cubic root of 8198238 is about 201.6385228884.

The spelling of 8198238 in words is "eight million, one hundred ninety-eight thousand, two hundred thirty-eight".

Divisors: 1 2 3 6 37 74 111 222 36929 73858 110787 221574 1366373 2732746 4099119 8198238