Base | Representation |
---|---|
bin | 111001100111… |
… | …1111101100101 |
3 | 2002211220222210 |
4 | 1303033331211 |
5 | 30213240231 |
6 | 2555314033 |
7 | 514540314 |
oct | 163177545 |
9 | 62756883 |
10 | 30211941 |
11 | 16065751 |
12 | a14b919 |
13 | 634a5b6 |
14 | 402627b |
15 | 29bba46 |
hex | 1ccff65 |
30211941 has 8 divisors (see below), whose sum is σ = 42652224. Its totient is φ = 18956480.
The previous prime is 30211933. The next prime is 30211963. The reversal of 30211941 is 14911203.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 30211941 - 23 = 30211933 is a prime.
It is a super-2 number, since 2×302119412 = 1825522757974962, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30211921) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 296145 + ... + 296246.
It is an arithmetic number, because the mean of its divisors is an integer number (5331528).
Almost surely, 230211941 is an apocalyptic number.
It is an amenable number.
30211941 is a deficient number, since it is larger than the sum of its proper divisors (12440283).
30211941 is a wasteful number, since it uses less digits than its factorization.
30211941 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 592411.
The product of its (nonzero) digits is 216, while the sum is 21.
The square root of 30211941 is about 5496.5390019539. The cubic root of 30211941 is about 311.4532563770.
The spelling of 30211941 in words is "thirty million, two hundred eleven thousand, nine hundred forty-one".
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