Base | Representation |
---|---|
bin | 111010101010… |
… | …0100011001110 |
3 | 2010212111221220 |
4 | 1311110203032 |
5 | 30333130042 |
6 | 3015104210 |
7 | 522261534 |
oct | 165244316 |
9 | 63774856 |
10 | 30755022 |
11 | 163a6781 |
12 | a372066 |
13 | 64aa84c |
14 | 4128154 |
15 | 2a778ec |
hex | 1d548ce |
30755022 has 16 divisors (see below), whose sum is σ = 63631440. Its totient is φ = 9898112.
The previous prime is 30755009. The next prime is 30755027. The reversal of 30755022 is 22055703.
It is a junction number, because it is equal to n+sod(n) for n = 30754983 and 30755001.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30755027) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 88203 + ... + 88550.
It is an arithmetic number, because the mean of its divisors is an integer number (3976965).
Almost surely, 230755022 is an apocalyptic number.
30755022 is an abundant number, since it is smaller than the sum of its proper divisors (32876418).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30755022 is a wasteful number, since it uses less digits than its factorization.
30755022 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 176787.
The product of its (nonzero) digits is 2100, while the sum is 24.
The square root of 30755022 is about 5545.7210532085. The cubic root of 30755022 is about 313.3083821488.
The spelling of 30755022 in words is "thirty million, seven hundred fifty-five thousand, twenty-two".
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