Search a number
-
+
4019072 = 27171847
BaseRepresentation
bin1111010101001110000000
321120012010112
433111032000
52012102242
6222050452
746106261
oct17251600
97505115
104019072
1122a5652
121419a28
13aa9465
14768968
15545c82
hex3d5380

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".

Divisors: 1 2 4 8 16 17 32 34 64 68 128 136 272 544 1088 1847 2176 3694 7388 14776 29552 31399 59104 62798 118208 125596 236416 251192 502384 1004768 2009536 4019072