Base | Representation |
---|---|
bin | 111001010100… |
… | …1000010101101 |
3 | 2002112211022111 |
4 | 1302221002231 |
5 | 30143140100 |
6 | 2552044021 |
7 | 513304456 |
oct | 162510255 |
9 | 62484274 |
10 | 30052525 |
11 | 15a669a8 |
12 | a093611 |
13 | 62c2b79 |
14 | 3dc412d |
15 | 29896ba |
hex | 1ca90ad |
30052525 has 12 divisors (see below), whose sum is σ = 37792224. Its totient is φ = 23702000.
The previous prime is 30052523. The next prime is 30052543. The reversal of 30052525 is 52525003.
It is not a de Polignac number, because 30052525 - 21 = 30052523 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 30052496 and 30052505.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30052523) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6691 + ... + 10240.
It is an arithmetic number, because the mean of its divisors is an integer number (3149352).
Almost surely, 230052525 is an apocalyptic number.
It is an amenable number.
30052525 is a deficient number, since it is larger than the sum of its proper divisors (7739699).
30052525 is a wasteful number, since it uses less digits than its factorization.
30052525 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 17012 (or 17007 counting only the distinct ones).
The product of its (nonzero) digits is 1500, while the sum is 22.
The square root of 30052525 is about 5482.0183326946. The cubic root of 30052525 is about 310.9044864068.
Adding to 30052525 its reverse (52525003), we get a palindrome (82577528).
It can be divided in two parts, 300 and 52525, that added together give a palindrome (52825).
The spelling of 30052525 in words is "thirty million, fifty-two thousand, five hundred twenty-five".
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