Base | Representation |
---|---|
bin | 1000110110000… |
… | …01011000101101 |
3 | 12011121100212202 |
4 | 10123001120231 |
5 | 122443124204 |
6 | 11210111245 |
7 | 1560424313 |
oct | 433013055 |
9 | 164540782 |
10 | 74192429 |
11 | 38974963 |
12 | 20a1b525 |
13 | 124a8b5c |
14 | 9bd40b3 |
15 | 67a7e1e |
hex | 46c162d |
74192429 has 2 divisors, whose sum is σ = 74192430. Its totient is φ = 74192428.
The previous prime is 74192407. The next prime is 74192449. The reversal of 74192429 is 92429147.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 73994404 + 198025 = 8602^2 + 445^2 .
It is a cyclic number.
It is not a de Polignac number, because 74192429 - 212 = 74188333 is a prime.
It is a Chen prime.
It is a junction number, because it is equal to n+sod(n) for n = 74192392 and 74192401.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (74192449) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37096214 + 37096215.
It is an arithmetic number, because the mean of its divisors is an integer number (37096215).
Almost surely, 274192429 is an apocalyptic number.
It is an amenable number.
74192429 is a deficient number, since it is larger than the sum of its proper divisors (1).
74192429 is an equidigital number, since it uses as much as digits as its factorization.
74192429 is an evil number, because the sum of its binary digits is even.
The product of its digits is 36288, while the sum is 38.
The square root of 74192429 is about 8613.5027137629. The cubic root of 74192429 is about 420.1972410681.
The spelling of 74192429 in words is "seventy-four million, one hundred ninety-two thousand, four hundred twenty-nine".
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