Base | Representation |
---|---|
bin | 111010010001… |
… | …1100000100110 |
3 | 2010111022102012 |
4 | 1310203200212 |
5 | 30310213100 |
6 | 3010514222 |
7 | 520464104 |
oct | 164434046 |
9 | 63438365 |
10 | 30554150 |
11 | 16279870 |
12 | a295972 |
13 | 643a2a3 |
14 | 40b4c74 |
15 | 2a38135 |
hex | 1d23826 |
30554150 has 48 divisors (see below), whose sum is σ = 62929008. Its totient is φ = 10944000.
The previous prime is 30554149. The next prime is 30554159. The reversal of 30554150 is 5145503.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30554159) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 39770 + ... + 40530.
It is an arithmetic number, because the mean of its divisors is an integer number (1311021).
Almost surely, 230554150 is an apocalyptic number.
30554150 is an abundant number, since it is smaller than the sum of its proper divisors (32374858).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30554150 is a wasteful number, since it uses less digits than its factorization.
30554150 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 857 (or 852 counting only the distinct ones).
The product of its (nonzero) digits is 1500, while the sum is 23.
The square root of 30554150 is about 5527.5808451799. The cubic root of 30554150 is about 312.6247821675.
Adding to 30554150 its reverse (5145503), we get a palindrome (35699653).
The spelling of 30554150 in words is "thirty million, five hundred fifty-four thousand, one hundred fifty".
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