Base | Representation |
---|---|
bin | 10100000101000… |
… | …00101101111100 |
3 | 102201221011011012 |
4 | 22002200231330 |
5 | 321104233320 |
6 | 24414014352 |
7 | 4113430622 |
oct | 1202405574 |
9 | 381834135 |
10 | 168430460 |
11 | 87090330 |
12 | 484a73b8 |
13 | 28b82ac3 |
14 | 18525512 |
15 | ebc04c5 |
hex | a0a0b7c |
168430460 has 96 divisors (see below), whose sum is σ = 402361344. Its totient is φ = 58688000.
The previous prime is 168430433. The next prime is 168430477. The reversal of 168430460 is 64034861.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 640289 + ... + 640551.
It is an arithmetic number, because the mean of its divisors is an integer number (4191264).
Almost surely, 2168430460 is an apocalyptic number.
168430460 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 168430460, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (201180672).
168430460 is an abundant number, since it is smaller than the sum of its proper divisors (233930884).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
168430460 is a wasteful number, since it uses less digits than its factorization.
168430460 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 395 (or 393 counting only the distinct ones).
The product of its (nonzero) digits is 13824, while the sum is 32.
The square root of 168430460 is about 12978.0761286101. The cubic root of 168430460 is about 552.2557057614.
The spelling of 168430460 in words is "one hundred sixty-eight million, four hundred thirty thousand, four hundred sixty".
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