Base | Representation |
---|---|
bin | 10011110100101… |
… | …00111001111100 |
3 | 102120220011000220 |
4 | 21322110321330 |
5 | 320032104144 |
6 | 24300021340 |
7 | 4056253461 |
oct | 1172247174 |
9 | 376804026 |
10 | 166284924 |
11 | 85955363 |
12 | 47831850 |
13 | 285b1360 |
14 | 18127668 |
15 | e8e9919 |
hex | 9e94e7c |
166284924 has 48 divisors (see below), whose sum is σ = 421586592. Its totient is φ = 50706432.
The previous prime is 166284893. The next prime is 166284931. The reversal of 166284924 is 429482661.
It is a congruent number.
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, 12912 + ... + 22344.
It is an arithmetic number, because the mean of its divisors is an integer number (8783054).
Almost surely, 2166284924 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 166284924, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (210793296).
166284924 is an abundant number, since it is smaller than the sum of its proper divisors (255301668).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
166284924 is a wasteful number, since it uses less digits than its factorization.
166284924 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9566 (or 9564 counting only the distinct ones).
The product of its digits is 165888, while the sum is 42.
The square root of 166284924 is about 12895.1511817427. The cubic root of 166284924 is about 549.9007247816.
Adding to 166284924 its sum of digits (42), we get a triangular number (166284966 = T18236).
The spelling of 166284924 in words is "one hundred sixty-six million, two hundred eighty-four thousand, nine hundred twenty-four".
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