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4243040 = 255231153
BaseRepresentation
bin10000001011111001100000
321222120100122
4100023321200
52041234130
6230535412
751031244
oct20137140
97876318
104243040
11243894a
121507568
13b57399
147c6424
1558c2e5
hex40be60

4243040 has 48 divisors (see below), whose sum is σ = 10469088. Its totient is φ = 1622016.

The previous prime is 4243039. The next prime is 4243051. The reversal of 4243040 is 403424.

4243040 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3104 + ... + 4256.

It is an arithmetic number, because the mean of its divisors is an integer number (218106).

Almost surely, 24243040 is an apocalyptic number.

4243040 is a gapful number since it is divisible by the number (40) 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 4243040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5234544).

4243040 is an abundant number, since it is smaller than the sum of its proper divisors (6226048).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4243040 is a wasteful number, since it uses less digits than its factorization.

4243040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1191 (or 1183 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 17.

The square root of 4243040 is about 2059.8640731854. The cubic root of 4243040 is about 161.8921194061.

Adding to 4243040 its product of nonzero digits (384), we get a palindrome (4243424).

Adding to 4243040 its reverse (403424), we get a palindrome (4646464).

The spelling of 4243040 in words is "four million, two hundred forty-three thousand, forty".

Divisors: 1 2 4 5 8 10 16 20 23 32 40 46 80 92 115 160 184 230 368 460 736 920 1153 1840 2306 3680 4612 5765 9224 11530 18448 23060 26519 36896 46120 53038 92240 106076 132595 184480 212152 265190 424304 530380 848608 1060760 2121520 4243040