Base | Representation |
---|---|
bin | 1000111010101… |
… | …10101000100101 |
3 | 12012202102110020 |
4 | 10131112220211 |
5 | 123122204444 |
6 | 11231145353 |
7 | 1565551506 |
oct | 435265045 |
9 | 165672406 |
10 | 74803749 |
11 | 39252189 |
12 | 21075259 |
13 | 12661197 |
14 | 9d12bad |
15 | 6879119 |
hex | 4756a25 |
74803749 has 16 divisors (see below), whose sum is σ = 100943040. Its totient is φ = 49271040.
The previous prime is 74803747. The next prime is 74803759. The reversal of 74803749 is 94730847.
It is not a de Polignac number, because 74803749 - 21 = 74803747 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 74803749.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (74803747) 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, 113182 + ... + 113840.
It is an arithmetic number, because the mean of its divisors is an integer number (6308940).
Almost surely, 274803749 is an apocalyptic number.
It is an amenable number.
74803749 is a deficient number, since it is larger than the sum of its proper divisors (26139291).
74803749 is a wasteful number, since it uses less digits than its factorization.
74803749 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1060.
The product of its (nonzero) digits is 169344, while the sum is 42.
The square root of 74803749 is about 8648.9160592527. The cubic root of 74803749 is about 421.3481791195.
The spelling of 74803749 in words is "seventy-four million, eight hundred three thousand, seven hundred forty-nine".
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