Base | Representation |
---|---|
bin | 111010000101… |
… | …1000110010000 |
3 | 2010022020020212 |
4 | 1310023012100 |
5 | 30244013120 |
6 | 3004423252 |
7 | 516566432 |
oct | 164130620 |
9 | 63266225 |
10 | 30454160 |
11 | 16210730 |
12 | a247b28 |
13 | 6403919 |
14 | 408a652 |
15 | 2a186c5 |
hex | 1d0b190 |
30454160 has 40 divisors (see below), whose sum is σ = 77245056. Its totient is φ = 11073920.
The previous prime is 30454159. The next prime is 30454187. The reversal of 30454160 is 6145403.
It is a happy number.
It is a tau number, because it is divible by the number of its divisors (40).
It is a super-2 number, since 2×304541602 = 1854911722611200, which contains 22 as substring.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16424 + ... + 18183.
Almost surely, 230454160 is an apocalyptic number.
It is an amenable number.
30454160 is an abundant number, since it is smaller than the sum of its proper divisors (46790896).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30454160 is a wasteful number, since it uses less digits than its factorization.
30454160 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 34631 (or 34625 counting only the distinct ones).
The product of its (nonzero) digits is 1440, while the sum is 23.
The square root of 30454160 is about 5518.5287894510. The cubic root of 30454160 is about 312.2833826809.
Adding to 30454160 its reverse (6145403), we get a palindrome (36599563).
The spelling of 30454160 in words is "thirty million, four hundred fifty-four thousand, one hundred sixty".
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