Base | Representation |
---|---|
bin | 111010000001… |
… | …1111110111110 |
3 | 2010020202021200 |
4 | 1310003332332 |
5 | 30242100042 |
6 | 3004040330 |
7 | 516415455 |
oct | 164037676 |
9 | 63222250 |
10 | 30425022 |
11 | 161a0851 |
12 | a2330a6 |
13 | 63c3594 |
14 | 407db9c |
15 | 2a0ec4c |
hex | 1d03fbe |
30425022 has 24 divisors (see below), whose sum is σ = 66541176. Its totient is φ = 10046256.
The previous prime is 30424969. The next prime is 30425039. The reversal of 30425022 is 22052403.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a junction number, because it is equal to n+sod(n) for n = 30424986 and 30425004.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5973 + ... + 9824.
It is an arithmetic number, because the mean of its divisors is an integer number (2772549).
Almost surely, 230425022 is an apocalyptic number.
30425022 is an abundant number, since it is smaller than the sum of its proper divisors (36116154).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30425022 is a wasteful number, since it uses less digits than its factorization.
30425022 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 15912 (or 15909 counting only the distinct ones).
The product of its (nonzero) digits is 480, while the sum is 18.
The square root of 30425022 is about 5515.8881424481. Note that the first 3 decimals coincide. The cubic root of 30425022 is about 312.1837551667.
Adding to 30425022 its reverse (22052403), we get a palindrome (52477425).
The spelling of 30425022 in words is "thirty million, four hundred twenty-five thousand, twenty-two".
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