Base | Representation |
---|---|
bin | 10100000010110… |
… | …11000000110100 |
3 | 102201101122111200 |
4 | 22001123000310 |
5 | 321021114243 |
6 | 24403532500 |
7 | 4111131336 |
oct | 1201330064 |
9 | 381348450 |
10 | 168144948 |
11 | 86a05874 |
12 | 4838a130 |
13 | 28ab2b6a |
14 | 1848d456 |
15 | eb65ad3 |
hex | a05b034 |
168144948 has 36 divisors (see below), whose sum is σ = 425748960. Its totient is φ = 55953936.
The previous prime is 168144937. The next prime is 168144967. The reversal of 168144948 is 849441861.
168144948 is a `hidden beast` number, since 168 + 1 + 449 + 48 = 666.
It is a tau number, because it is divible by the number of its divisors (36).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19683 + ... + 26901.
It is an arithmetic number, because the mean of its divisors is an integer number (11826360).
Almost surely, 2168144948 is an apocalyptic number.
168144948 is a gapful number since it is divisible by the number (18) formed by its first and last digit.
It is an amenable number.
168144948 is an abundant number, since it is smaller than the sum of its proper divisors (257604012).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
168144948 is a wasteful number, since it uses less digits than its factorization.
168144948 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7876 (or 7871 counting only the distinct ones).
The product of its digits is 221184, while the sum is 45.
The square root of 168144948 is about 12967.0716817638. The cubic root of 168144948 is about 551.9434803505.
The spelling of 168144948 in words is "one hundred sixty-eight million, one hundred forty-four thousand, nine hundred forty-eight".
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