Base | Representation |
---|---|
bin | 111001111001… |
… | …1100110110101 |
3 | 2010010100021012 |
4 | 1303303212311 |
5 | 30232423231 |
6 | 3002402005 |
7 | 516016055 |
oct | 163634665 |
9 | 63110235 |
10 | 30357941 |
11 | 16155409 |
12 | a200305 |
13 | 639bba3 |
14 | 4063565 |
15 | 29e9e2b |
hex | 1cf39b5 |
30357941 has 2 divisors, whose sum is σ = 30357942. Its totient is φ = 30357940.
The previous prime is 30357913. The next prime is 30357947. The reversal of 30357941 is 14975303.
It is a happy number.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 28313041 + 2044900 = 5321^2 + 1430^2 .
It is a cyclic number.
It is not a de Polignac number, because 30357941 - 214 = 30341557 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 30357898 and 30357907.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (30357947) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15178970 + 15178971.
It is an arithmetic number, because the mean of its divisors is an integer number (15178971).
Almost surely, 230357941 is an apocalyptic number.
It is an amenable number.
30357941 is a deficient number, since it is larger than the sum of its proper divisors (1).
30357941 is an equidigital number, since it uses as much as digits as its factorization.
30357941 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 11340, while the sum is 32.
The square root of 30357941 is about 5509.8040800014. The cubic root of 30357941 is about 311.9541523964.
The spelling of 30357941 in words is "thirty million, three hundred fifty-seven thousand, nine hundred forty-one".
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