Base | Representation |
---|---|
bin | 1000111010000… |
… | …00010110010101 |
3 | 12012120210020111 |
4 | 10131000112111 |
5 | 123111244334 |
6 | 11225203021 |
7 | 1565021416 |
oct | 435002625 |
9 | 165523214 |
10 | 74712469 |
11 | 3919a647 |
12 | 21030471 |
13 | 1262b780 |
14 | 9ccb80d |
15 | 685c064 |
hex | 4740595 |
74712469 has 8 divisors (see below), whose sum is σ = 82172160. Its totient is φ = 67497456.
The previous prime is 74712461. The next prime is 74712479. The reversal of 74712469 is 96421747.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 74712469 - 23 = 74712461 is a prime.
It is a super-2 number, since 2×747124692 = 11163906048151922, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (74712461) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60529 + ... + 61750.
It is an arithmetic number, because the mean of its divisors is an integer number (10271520).
Almost surely, 274712469 is an apocalyptic number.
It is an amenable number.
74712469 is a deficient number, since it is larger than the sum of its proper divisors (7459691).
74712469 is a wasteful number, since it uses less digits than its factorization.
74712469 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 122339.
The product of its digits is 84672, while the sum is 40.
The square root of 74712469 is about 8643.6374866141. The cubic root of 74712469 is about 421.1767246273.
The spelling of 74712469 in words is "seventy-four million, seven hundred twelve thousand, four hundred sixty-nine".
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