Base | Representation |
---|---|
bin | 10100001000011… |
… | …00100000001110 |
3 | 102202202120202200 |
4 | 22010030200032 |
5 | 321212400300 |
6 | 24431302330 |
7 | 4120250022 |
oct | 1204144016 |
9 | 382676680 |
10 | 168871950 |
11 | 87361aa5 |
12 | 4867a9a6 |
13 | 28ca8a40 |
14 | 185dc382 |
15 | ec5b200 |
hex | a10c80e |
168871950 has 72 divisors (see below), whose sum is σ = 488619768. Its totient is φ = 41567040.
The previous prime is 168871949. The next prime is 168872021. The reversal of 168871950 is 59178861.
It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.
It is a Harshad number since it is a multiple of its sum of digits (45).
It is a junction number, because it is equal to n+sod(n) for n = 168871896 and 168871905.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 8584 + ... + 20283.
Almost surely, 2168871950 is an apocalyptic number.
168871950 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
168871950 is an abundant number, since it is smaller than the sum of its proper divisors (319747818).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
168871950 is a wasteful number, since it uses less digits than its factorization.
168871950 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 28898 (or 28890 counting only the distinct ones).
The product of its (nonzero) digits is 120960, while the sum is 45.
The square root of 168871950 is about 12995.0740667377. The cubic root of 168871950 is about 552.7378090808.
The spelling of 168871950 in words is "one hundred sixty-eight million, eight hundred seventy-one thousand, nine hundred fifty".
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