Base | Representation |
---|---|
bin | 1111011100101001000000 |
3 | 21121201211110 |
4 | 33130221000 |
5 | 2014040342 |
6 | 222443320 |
7 | 46264020 |
oct | 17345100 |
9 | 7551743 |
10 | 4049472 |
11 | 2316479 |
12 | 1433540 |
13 | aba24b |
14 | 775a80 |
15 | 54ec9c |
hex | 3dca40 |
4049472 has 112 divisors (see below), whose sum is σ = 12874752. Its totient is φ = 1098240.
The previous prime is 4049471. The next prime is 4049483. The reversal of 4049472 is 2749404.
It is a tau number, because it is divible by the number of its divisors (112).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (4049471) 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, 30847 + ... + 30977.
Almost surely, 24049472 is an apocalyptic number.
4049472 is a gapful number since it is divisible by the number (42) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 4049472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6437376).
4049472 is an abundant number, since it is smaller than the sum of its proper divisors (8825280).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
4049472 is a wasteful number, since it uses less digits than its factorization.
4049472 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 176 (or 166 counting only the distinct ones).
The product of its (nonzero) digits is 8064, while the sum is 30.
The square root of 4049472 is about 2012.3299928193. The cubic root of 4049472 is about 159.3918581168.
The spelling of 4049472 in words is "four million, forty-nine thousand, four hundred seventy-two".
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