Base | Representation |
---|---|
bin | 111010010001… |
… | …1100101110000 |
3 | 2010111022212102 |
4 | 1310203211300 |
5 | 30310220410 |
6 | 3010515532 |
7 | 520465055 |
oct | 164434560 |
9 | 63438772 |
10 | 30554480 |
11 | 1627a040 |
12 | a295ba8 |
13 | 643a498 |
14 | 40b502c |
15 | 2a382a5 |
hex | 1d23970 |
30554480 has 40 divisors (see below), whose sum is σ = 77499504. Its totient is φ = 11110400.
The previous prime is 30554441. The next prime is 30554497. The reversal of 30554480 is 8445503.
It is a tau number, because it is divible by the number of its divisors (40).
It is a congruent number.
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, 16481 + ... + 18240.
Almost surely, 230554480 is an apocalyptic number.
It is an amenable number.
30554480 is an abundant number, since it is smaller than the sum of its proper divisors (46945024).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30554480 is a wasteful number, since it uses less digits than its factorization.
30554480 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 34745 (or 34739 counting only the distinct ones).
The product of its (nonzero) digits is 9600, while the sum is 29.
The square root of 30554480 is about 5527.6106954090. The cubic root of 30554480 is about 312.6259076644.
Adding to 30554480 its reverse (8445503), we get a palindrome (38999983).
The spelling of 30554480 in words is "thirty million, five hundred fifty-four thousand, four hundred eighty".
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