Base | Representation |
---|---|
bin | 111001010100… |
… | …1101011011100 |
3 | 2002112221220001 |
4 | 1302221223130 |
5 | 30143231012 |
6 | 2552104044 |
7 | 513315202 |
oct | 162515334 |
9 | 62487801 |
10 | 30055132 |
11 | 15a68958 |
12 | a095024 |
13 | 62c4103 |
14 | 3dc5072 |
15 | 298a357 |
hex | 1ca9adc |
30055132 has 12 divisors (see below), whose sum is σ = 53879616. Its totient is φ = 14660960.
The previous prime is 30055111. The next prime is 30055139. The reversal of 30055132 is 23155003.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30055139) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 91468 + ... + 91795.
It is an arithmetic number, because the mean of its divisors is an integer number (4489968).
Almost surely, 230055132 is an apocalyptic number.
It is an amenable number.
30055132 is a deficient number, since it is larger than the sum of its proper divisors (23824484).
30055132 is a wasteful number, since it uses less digits than its factorization.
30055132 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 183308 (or 183306 counting only the distinct ones).
The product of its (nonzero) digits is 450, while the sum is 19.
The square root of 30055132 is about 5482.2561049261. The cubic root of 30055132 is about 310.9134762733.
The spelling of 30055132 in words is "thirty million, fifty-five thousand, one hundred thirty-two".
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