Base | Representation |
---|---|
bin | 10100001000111… |
… | …11011111000100 |
3 | 102202220112102022 |
4 | 22010133133010 |
5 | 321222342300 |
6 | 24433102312 |
7 | 4121022503 |
oct | 1204373704 |
9 | 382815368 |
10 | 168949700 |
11 | 87405457 |
12 | 486b7998 |
13 | 2900524a |
14 | 1861c83a |
15 | ec74285 |
hex | a11f7c4 |
168949700 has 18 divisors (see below), whose sum is σ = 366621066. Its totient is φ = 67579840.
The previous prime is 168949699. The next prime is 168949727. The reversal of 168949700 is 7949861.
168949700 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 3 ways, for example, as 9634816 + 159314884 = 3104^2 + 12622^2 .
It is a super-2 number, since 2×1689497002 = 57088002260180000, which contains 22 as substring.
It is an unprimeable number.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 844649 + ... + 844848.
It is an arithmetic number, because the mean of its divisors is an integer number (20367837).
Almost surely, 2168949700 is an apocalyptic number.
168949700 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
168949700 is an abundant number, since it is smaller than the sum of its proper divisors (197671366).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
168949700 is a wasteful number, since it uses less digits than its factorization.
168949700 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1689511 (or 1689504 counting only the distinct ones).
The product of its (nonzero) digits is 108864, while the sum is 44.
The square root of 168949700 is about 12998.0652406425. The cubic root of 168949700 is about 552.8226243722.
The spelling of 168949700 in words is "one hundred sixty-eight million, nine hundred forty-nine thousand, seven hundred".
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