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4112840 = 235229449
BaseRepresentation
bin1111101100000111001000
321201221202102
433230013020
52023102330
6224052532
746646534
oct17540710
97657672
104112840
11235a046
121464148
13b10044
14790bc4
15563945
hex3ec1c8

4112840 has 32 divisors (see below), whose sum is σ = 9315000. Its totient is φ = 1634304.

The previous prime is 4112813. The next prime is 4112851. The reversal of 4112840 is 482114.

4112840 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 4024036 + 88804 = 2006^2 + 298^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8936 + ... + 9384.

Almost surely, 24112840 is an apocalyptic number.

4112840 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4112840 is an abundant number, since it is smaller than the sum of its proper divisors (5202160).

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

4112840 is a wasteful number, since it uses less digits than its factorization.

4112840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 689 (or 685 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 20.

The square root of 4112840 is about 2028.0138066591. The cubic root of 4112840 is about 160.2189710197.

Adding to 4112840 its reverse (482114), we get a palindrome (4594954).

The spelling of 4112840 in words is "four million, one hundred twelve thousand, eight hundred forty".

Divisors: 1 2 4 5 8 10 20 40 229 449 458 898 916 1145 1796 1832 2245 2290 3592 4490 4580 8980 9160 17960 102821 205642 411284 514105 822568 1028210 2056420 4112840