Base | Representation |
---|---|
bin | 1000110101100… |
… | …00000111100111 |
3 | 12011110202212021 |
4 | 10122300013213 |
5 | 122433343303 |
6 | 11204404011 |
7 | 1560011155 |
oct | 432600747 |
9 | 164422767 |
10 | 74121703 |
11 | 38926807 |
12 | 209a6607 |
13 | 124828c6 |
14 | 9bb63d5 |
15 | 6791ebd |
hex | 46b01e7 |
74121703 has 2 divisors, whose sum is σ = 74121704. Its totient is φ = 74121702.
The previous prime is 74121701. The next prime is 74121721. The reversal of 74121703 is 30712147.
It is a happy number.
It is a weak prime.
It is an emirp because it is prime and its reverse (30712147) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 74121703 - 21 = 74121701 is a prime.
Together with 74121701, it forms a pair of twin primes.
It is equal to p4345900 and since 74121703 and 4345900 have the same sum of digits, it is a Honaker prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (74121701) by changing a digit.
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, 37060851 + 37060852.
It is an arithmetic number, because the mean of its divisors is an integer number (37060852).
Almost surely, 274121703 is an apocalyptic number.
74121703 is a deficient number, since it is larger than the sum of its proper divisors (1).
74121703 is an equidigital number, since it uses as much as digits as its factorization.
74121703 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 1176, while the sum is 25.
The square root of 74121703 is about 8609.3962041481. The cubic root of 74121703 is about 420.0636770422.
The spelling of 74121703 in words is "seventy-four million, one hundred twenty-one thousand, seven hundred three".
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