Base | Representation |
---|---|
bin | 1111010101001110000000 |
3 | 21120012010112 |
4 | 33111032000 |
5 | 2012102242 |
6 | 222050452 |
7 | 46106261 |
oct | 17251600 |
9 | 7505115 |
10 | 4019072 |
11 | 22a5652 |
12 | 1419a28 |
13 | aa9465 |
14 | 768968 |
15 | 545c82 |
hex | 3d5380 |
4019072 has 32 divisors (see below), whose sum is σ = 8482320. Its totient is φ = 1890304.
The previous prime is 4019069. The next prime is 4019077. The reversal of 4019072 is 2709104.
It is a tau number, because it is divible by the number of its divisors (32).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (4019077) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1253 + ... + 3099.
Almost surely, 24019072 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 4019072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4241160).
4019072 is an abundant number, since it is smaller than the sum of its proper divisors (4463248).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
4019072 is a wasteful number, since it uses less digits than its factorization.
4019072 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1878 (or 1866 counting only the distinct ones).
The product of its (nonzero) digits is 504, while the sum is 23.
The square root of 4019072 is about 2004.7623300531. The cubic root of 4019072 is about 158.9919962217.
The spelling of 4019072 in words is "four million, nineteen thousand, seventy-two".
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