Base | Representation |
---|---|
bin | 1000111000011… |
… | …11000101001101 |
3 | 12012012112102102 |
4 | 10130033011031 |
5 | 123033320134 |
6 | 11221004445 |
7 | 1563221162 |
oct | 434170515 |
9 | 165175372 |
10 | 74510669 |
11 | 39071a72 |
12 | 20b53725 |
13 | 1258a96c |
14 | 9c78069 |
15 | 681c37e |
hex | 470f14d |
74510669 has 2 divisors, whose sum is σ = 74510670. Its totient is φ = 74510668.
The previous prime is 74510663. The next prime is 74510671. The reversal of 74510669 is 96601547.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 71402500 + 3108169 = 8450^2 + 1763^2 .
It is a cyclic number.
It is not a de Polignac number, because 74510669 - 220 = 73462093 is a prime.
It is a super-2 number, since 2×745106692 = 11103679589655122, which contains 22 as substring.
Together with 74510671, it forms a pair of twin primes.
It is a Chen prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (74510663) 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, 37255334 + 37255335.
It is an arithmetic number, because the mean of its divisors is an integer number (37255335).
Almost surely, 274510669 is an apocalyptic number.
It is an amenable number.
74510669 is a deficient number, since it is larger than the sum of its proper divisors (1).
74510669 is an equidigital number, since it uses as much as digits as its factorization.
74510669 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 45360, while the sum is 38.
The square root of 74510669 is about 8631.9562672664. The cubic root of 74510669 is about 420.7971802118.
The spelling of 74510669 in words is "seventy-four million, five hundred ten thousand, six hundred sixty-nine".
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