Base | Representation |
---|---|
bin | 1000111010000… |
… | …00111111100001 |
3 | 12012120220212010 |
4 | 10131000333201 |
5 | 123111340410 |
6 | 11225223133 |
7 | 1565032203 |
oct | 435007741 |
9 | 165526763 |
10 | 74715105 |
11 | 391a1623 |
12 | 21031aa9 |
13 | 1262ca2a |
14 | 9ccc773 |
15 | 685cc20 |
hex | 4740fe1 |
74715105 has 16 divisors (see below), whose sum is σ = 119709504. Its totient is φ = 39792960.
The previous prime is 74715103. The next prime is 74715133. The reversal of 74715105 is 50151747.
It is not a de Polignac number, because 74715105 - 21 = 74715103 is a prime.
It is a super-2 number, since 2×747151052 = 11164693830322050, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (74715103) 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 in 15 ways as a sum of consecutive naturals, for example, 9282 + ... + 15348.
It is an arithmetic number, because the mean of its divisors is an integer number (7481844).
Almost surely, 274715105 is an apocalyptic number.
It is an amenable number.
74715105 is a deficient number, since it is larger than the sum of its proper divisors (44994399).
74715105 is a wasteful number, since it uses less digits than its factorization.
74715105 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6896.
The product of its (nonzero) digits is 4900, while the sum is 30.
The square root of 74715105 is about 8643.7899673696. The cubic root of 74715105 is about 421.1816778780.
The spelling of 74715105 in words is "seventy-four million, seven hundred fifteen thousand, one hundred five".
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