Base | Representation |
---|---|
bin | 10100000101011… |
… | …10000111111001 |
3 | 102202000221110212 |
4 | 22002232013321 |
5 | 321113012434 |
6 | 24415120505 |
7 | 4114046663 |
oct | 1202560771 |
9 | 382027425 |
10 | 168485369 |
11 | 87118608 |
12 | 48513135 |
13 | 28ba1ab0 |
14 | 1853b533 |
15 | ebd18ce |
hex | a0ae1f9 |
168485369 has 16 divisors (see below), whose sum is σ = 193865280. Its totient is φ = 145126080.
The previous prime is 168485353. The next prime is 168485371. The reversal of 168485369 is 963584861.
168485369 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a cyclic number.
It is not a de Polignac number, because 168485369 - 24 = 168485353 is a prime.
It is a super-2 number, since 2×1684853692 = 56774639134132322, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (168485869) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11459 + ... + 21639.
It is an arithmetic number, because the mean of its divisors is an integer number (12116580).
Almost surely, 2168485369 is an apocalyptic number.
168485369 is a gapful number since it is divisible by the number (19) formed by its first and last digit.
It is an amenable number.
168485369 is a deficient number, since it is larger than the sum of its proper divisors (25379911).
168485369 is a wasteful number, since it uses less digits than its factorization.
168485369 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10280.
The product of its digits is 1244160, while the sum is 50.
The square root of 168485369 is about 12980.1914084500. The cubic root of 168485369 is about 552.3157117602.
The spelling of 168485369 in words is "one hundred sixty-eight million, four hundred eighty-five thousand, three hundred sixty-nine".
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