Base | Representation |
---|---|
bin | 1000110101100… |
… | …00110000000000 |
3 | 12011110220102000 |
4 | 10122300300000 |
5 | 122433434123 |
6 | 11204424000 |
7 | 1560021540 |
oct | 432606000 |
9 | 164426360 |
10 | 74124288 |
11 | 38928747 |
12 | 209a8000 |
13 | 12483b34 |
14 | 9bb7320 |
15 | 6792b43 |
hex | 46b0c00 |
74124288 has 176 divisors, whose sum is σ = 251535360. Its totient is φ = 21123072.
The previous prime is 74124287. The next prime is 74124289. The reversal of 74124288 is 88242147.
It is an interprime number because it is at equal distance from previous prime (74124287) and next prime (74124289).
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a nude number because it is divisible by every one of its digits.
It is not an unprimeable number, because it can be changed into a prime (74124287) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 193345 + ... + 193727.
Almost surely, 274124288 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 74124288, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (125767680).
74124288 is an abundant number, since it is smaller than the sum of its proper divisors (177411072).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
74124288 is a wasteful number, since it uses less digits than its factorization.
74124288 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 419 (or 395 counting only the distinct ones).
The product of its digits is 28672, while the sum is 36.
The square root of 74124288 is about 8609.5463295112. The cubic root of 74124288 is about 420.0685602363.
The spelling of 74124288 in words is "seventy-four million, one hundred twenty-four thousand, two hundred eighty-eight".
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