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108228666 = 23713198221
BaseRepresentation
bin1100111001101…
…11000000111010
321112122120211010
412130313000322
5210201304131
614423414350
72452633320
oct634670072
9245576733
10108228666
1156101887
12302b43b6
1319565040
1410533d10
15977cb46
hex673703a

108228666 has 32 divisors (see below), whose sum is σ = 266410368. Its totient is φ = 28543680.

The previous prime is 108228649. The next prime is 108228677. The reversal of 108228666 is 666822801.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 98565 + ... + 99656.

It is an arithmetic number, because the mean of its divisors is an integer number (8325324).

Almost surely, 2108228666 is an apocalyptic number.

108228666 is an abundant number, since it is smaller than the sum of its proper divisors (158181702).

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

108228666 is a wasteful number, since it uses less digits than its factorization.

108228666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198246.

The product of its (nonzero) digits is 55296, while the sum is 39.

The square root of 108228666 is about 10403.3007262118. The cubic root of 108228666 is about 476.5561755628.

The spelling of 108228666 in words is "one hundred eight million, two hundred twenty-eight thousand, six hundred sixty-six".

Divisors: 1 2 3 6 7 13 14 21 26 39 42 78 91 182 273 546 198221 396442 594663 1189326 1387547 2576873 2775094 4162641 5153746 7730619 8325282 15461238 18038111 36076222 54114333 108228666