Base | Representation |
---|---|
bin | 1000110101101… |
… | …01110000100000 |
3 | 12011111221112201 |
4 | 10122311300200 |
5 | 122440113200 |
6 | 11205102544 |
7 | 1560135412 |
oct | 432656040 |
9 | 164457481 |
10 | 74144800 |
11 | 389420a4 |
12 | 209b7a54 |
13 | 12490282 |
14 | 9bc09b2 |
15 | 6798c6a |
hex | 46b5c20 |
74144800 has 36 divisors (see below), whose sum is σ = 181007946. Its totient is φ = 29657600.
The previous prime is 74144797. The next prime is 74144809. The reversal of 74144800 is 844147.
It can be written as a sum of positive squares in 3 ways, for example, as 43718544 + 30426256 = 6612^2 + 5516^2 .
It is not an unprimeable number, because it can be changed into a prime (74144809) 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 5 ways as a sum of consecutive naturals, for example, 45541 + ... + 47140.
Almost surely, 274144800 is an apocalyptic number.
It is an amenable number.
74144800 is an abundant number, since it is smaller than the sum of its proper divisors (106863146).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
74144800 is a wasteful number, since it uses less digits than its factorization.
74144800 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 92701 (or 92688 counting only the distinct ones).
The product of its (nonzero) digits is 3584, while the sum is 28.
The square root of 74144800 is about 8610.7374829337. The cubic root of 74144800 is about 420.1073044044.
Adding to 74144800 its reverse (844147), we get a palindrome (74988947).
The spelling of 74144800 in words is "seventy-four million, one hundred forty-four thousand, eight hundred".
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