Base | Representation |
---|---|
bin | 1000110101101… |
… | …00110101110000 |
3 | 12011111202101110 |
4 | 10122310311300 |
5 | 122440003130 |
6 | 11205033320 |
7 | 1560121431 |
oct | 432646560 |
9 | 164452343 |
10 | 74141040 |
11 | 3893a296 |
12 | 209b5840 |
13 | 1248b64c |
14 | 9bbd488 |
15 | 6797ab0 |
hex | 46b4d70 |
74141040 has 160 divisors (see below), whose sum is σ = 246412800. Its totient is φ = 18385920.
The previous prime is 74141027. The next prime is 74141083. The reversal of 74141040 is 4014147.
It is a junction number, because it is equal to n+sod(n) for n = 74140998 and 74141016.
It is a congruent number.
It is an unprimeable number.
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 31 ways as a sum of consecutive naturals, for example, 323646 + ... + 323874.
It is an arithmetic number, because the mean of its divisors is an integer number (1540080).
Almost surely, 274141040 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 74141040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (123206400).
74141040 is an abundant number, since it is smaller than the sum of its proper divisors (172271760).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
74141040 is a wasteful number, since it uses less digits than its factorization.
74141040 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 335 (or 329 counting only the distinct ones).
The product of its (nonzero) digits is 448, while the sum is 21.
The square root of 74141040 is about 8610.5191481118. The cubic root of 74141040 is about 420.1002028493.
Adding to 74141040 its reverse (4014147), we get a palindrome (78155187).
The spelling of 74141040 in words is "seventy-four million, one hundred forty-one thousand, forty".
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