Base | Representation |
---|---|
bin | 111001101100… |
… | …1010110000111 |
3 | 2002220212201021 |
4 | 1303121112013 |
5 | 30221003000 |
6 | 3000212011 |
7 | 515060341 |
oct | 163312607 |
9 | 62825637 |
10 | 30250375 |
11 | 16091611 |
12 | a16a007 |
13 | 6361c3c |
14 | 4036291 |
15 | 29c811a |
hex | 1cd9587 |
30250375 has 32 divisors (see below), whose sum is σ = 40734720. Its totient is φ = 22356000.
The previous prime is 30250373. The next prime is 30250387. The reversal of 30250375 is 57305203.
It is not a de Polignac number, because 30250375 - 21 = 30250373 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (25).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30250373) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 111490 + ... + 111760.
It is an arithmetic number, because the mean of its divisors is an integer number (1272960).
Almost surely, 230250375 is an apocalyptic number.
30250375 is a deficient number, since it is larger than the sum of its proper divisors (10484345).
30250375 is a wasteful number, since it uses less digits than its factorization.
30250375 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 352 (or 342 counting only the distinct ones).
The product of its (nonzero) digits is 3150, while the sum is 25.
The square root of 30250375 is about 5500.0340908034. The cubic root of 30250375 is about 311.5852717503.
Adding to 30250375 its reverse (57305203), we get a palindrome (87555578).
It can be divided in two parts, 30250 and 375, that added together give a square (30625 = 1752).
The spelling of 30250375 in words is "thirty million, two hundred fifty thousand, three hundred seventy-five".
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