Base | Representation |
---|---|
bin | 111001101100… |
… | …1010010100010 |
3 | 2002220212101210 |
4 | 1303121102202 |
5 | 30221001041 |
6 | 3000210550 |
7 | 515056563 |
oct | 163312242 |
9 | 62825353 |
10 | 30250146 |
11 | 16091423 |
12 | a169a56 |
13 | 6361ac4 |
14 | 403616a |
15 | 29c8016 |
hex | 1cd94a2 |
30250146 has 8 divisors (see below), whose sum is σ = 60500304. Its totient is φ = 10083380.
The previous prime is 30250139. The next prime is 30250151. The reversal of 30250146 is 64105203.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
30250146 is an admirable number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2520840 + ... + 2520851.
It is an arithmetic number, because the mean of its divisors is an integer number (7562538).
Almost surely, 230250146 is an apocalyptic number.
30250146 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30250146 is a wasteful number, since it uses less digits than its factorization.
30250146 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5041696.
The product of its (nonzero) digits is 720, while the sum is 21.
The square root of 30250146 is about 5500.0132727113. The cubic root of 30250146 is about 311.5844854988.
Adding to 30250146 its reverse (64105203), we get a palindrome (94355349).
The spelling of 30250146 in words is "thirty million, two hundred fifty thousand, one hundred forty-six".
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