Base | Representation |
---|---|
bin | 111001110111… |
… | …0000000110001 |
3 | 2010002011211110 |
4 | 1303232000301 |
5 | 30231210100 |
6 | 3002103533 |
7 | 515562210 |
oct | 163560061 |
9 | 63064743 |
10 | 30335025 |
11 | 1613a176 |
12 | a1aaba9 |
13 | 6391626 |
14 | 4059077 |
15 | 29e3250 |
hex | 1cee031 |
30335025 has 24 divisors (see below), whose sum is σ = 57319744. Its totient is φ = 13867200.
The previous prime is 30335023. The next prime is 30335033. The reversal of 30335025 is 52053303.
It is not a de Polignac number, because 30335025 - 21 = 30335023 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (21).
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 30334992 and 30335010.
It is not an unprimeable number, because it can be changed into a prime (30335023) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 28366 + ... + 29415.
Almost surely, 230335025 is an apocalyptic number.
30335025 is a gapful number since it is divisible by the number (35) formed by its first and last digit.
It is an amenable number.
30335025 is a deficient number, since it is larger than the sum of its proper divisors (26984719).
30335025 is a wasteful number, since it uses less digits than its factorization.
30335025 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 57801 (or 57796 counting only the distinct ones).
The product of its (nonzero) digits is 1350, while the sum is 21.
The square root of 30335025 is about 5507.7241216314. The cubic root of 30335025 is about 311.8756387177.
Adding to 30335025 its reverse (52053303), we get a palindrome (82388328).
The spelling of 30335025 in words is "thirty million, three hundred thirty-five thousand, twenty-five".
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