Base | Representation |
---|---|
bin | 10100001001000… |
… | …01000000100101 |
3 | 102202220211222110 |
4 | 22010201000211 |
5 | 321223042231 |
6 | 24433151233 |
7 | 4121046630 |
oct | 1204410045 |
9 | 382824873 |
10 | 168955941 |
11 | 8740a110 |
12 | 486bb519 |
13 | 2900803b |
14 | 18620c17 |
15 | ec76046 |
hex | a121025 |
168955941 has 32 divisors (see below), whose sum is σ = 282009600. Its totient is φ = 87410880.
The previous prime is 168955939. The next prime is 168955967. The reversal of 168955941 is 149559861.
It is not a de Polignac number, because 168955941 - 21 = 168955939 is a prime.
It is a super-2 number, since 2×1689559412 = 57092219998390962, which contains 22 as substring.
It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (168955991) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 60780 + ... + 63498.
It is an arithmetic number, because the mean of its divisors is an integer number (8812800).
Almost surely, 2168955941 is an apocalyptic number.
168955941 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
It is an amenable number.
168955941 is a deficient number, since it is larger than the sum of its proper divisors (113053659).
168955941 is a wasteful number, since it uses less digits than its factorization.
168955941 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3009.
The product of its digits is 388800, while the sum is 48.
The square root of 168955941 is about 12998.3053126167. The cubic root of 168955941 is about 552.8294313756.
It can be divided in two parts, 1689 and 55941, that added together give a triangular number (57630 = T339).
The spelling of 168955941 in words is "one hundred sixty-eight million, nine hundred fifty-five thousand, nine hundred forty-one".
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