Base | Representation |
---|---|
bin | 111001011111… |
… | …0101101000000 |
3 | 2002201100000112 |
4 | 1302332231000 |
5 | 30204004443 |
6 | 2554010452 |
7 | 514124234 |
oct | 162765500 |
9 | 62640015 |
10 | 30141248 |
11 | 16017625 |
12 | a116a28 |
13 | 6324377 |
14 | 40085c4 |
15 | 29a5b18 |
hex | 1cbeb40 |
30141248 has 14 divisors (see below), whose sum is σ = 59811666. Its totient is φ = 15070592.
The previous prime is 30141229. The next prime is 30141253. The reversal of 30141248 is 84214103.
It can be written as a sum of positive squares in only one way, i.e., 30118144 + 23104 = 5488^2 + 152^2 .
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 235415 + ... + 235542.
Almost surely, 230141248 is an apocalyptic number.
It is an amenable number.
30141248 is a deficient number, since it is larger than the sum of its proper divisors (29670418).
30141248 is an equidigital number, since it uses as much as digits as its factorization.
30141248 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 470969 (or 470959 counting only the distinct ones).
The product of its (nonzero) digits is 768, while the sum is 23.
The square root of 30141248 is about 5490.1045527385. The cubic root of 30141248 is about 311.2101432273.
The spelling of 30141248 in words is "thirty million, one hundred forty-one thousand, two hundred forty-eight".
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