Base | Representation |
---|---|
bin | 1111001010110111… |
… | …0001011011011000 |
3 | 101111210100100202200 |
4 | 3302231301123120 |
5 | 31314423211313 |
6 | 1512022530200 |
7 | 202624103352 |
oct | 36255613330 |
9 | 11453310680 |
10 | 4072085208 |
11 | 17aa649984 |
12 | 957896960 |
13 | 4cb840399 |
14 | 2a8b5a0d2 |
15 | 18c763b73 |
hex | f2b716d8 |
4072085208 has 96 divisors (see below), whose sum is σ = 11949022800. Its totient is φ = 1247791104.
The previous prime is 4072085207. The next prime is 4072085233. The reversal of 4072085208 is 8025802704.
It is a happy number.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (4072085207) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13948 + ... + 91316.
Almost surely, 24072085208 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 4072085208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5974511400).
4072085208 is an abundant number, since it is smaller than the sum of its proper divisors (7876937592).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
4072085208 is a wasteful number, since it uses less digits than its factorization.
4072085208 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 77441 (or 77434 counting only the distinct ones).
The product of its (nonzero) digits is 35840, while the sum is 36.
The square root of 4072085208 is about 63812.8921770515. The cubic root of 4072085208 is about 1596.8800148039.
The spelling of 4072085208 in words is "four billion, seventy-two million, eighty-five thousand, two hundred eight".
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