Base | Representation |
---|---|
bin | 10100001000100… |
… | …10100101110000 |
3 | 102202210211222000 |
4 | 22010102211300 |
5 | 321214200010 |
6 | 24432014000 |
7 | 4120412505 |
oct | 1204224560 |
9 | 382724860 |
10 | 168896880 |
11 | 873797a9 |
12 | 48691300 |
13 | 28cb71a9 |
14 | 186074ac |
15 | ec637c0 |
hex | a112970 |
168896880 has 80 divisors (see below), whose sum is σ = 581763360. Its totient is φ = 45038592.
The previous prime is 168896879. The next prime is 168896927. The reversal of 168896880 is 88698861.
It is a tau number, because it is divible by the number of its divisors (80).
It is a Harshad number since it is a multiple of its sum of digits (54).
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, 36937 + ... + 41256.
It is an arithmetic number, because the mean of its divisors is an integer number (7272042).
Almost surely, 2168896880 is an apocalyptic number.
168896880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
168896880 is an abundant number, since it is smaller than the sum of its proper divisors (412866480).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
168896880 is a wasteful number, since it uses less digits than its factorization.
168896880 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 78215 (or 78203 counting only the distinct ones).
The product of its (nonzero) digits is 1327104, while the sum is 54.
The square root of 168896880 is about 12996.0332409547. The cubic root of 168896880 is about 552.7650073526.
The spelling of 168896880 in words is "one hundred sixty-eight million, eight hundred ninety-six thousand, eight hundred eighty".
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