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4381140 = 223573019
BaseRepresentation
bin10000101101100111010100
322020120210110
4100231213110
52110144030
6233523020
752145001
oct20554724
98216713
104381140
112522685
121573470
13ba51ba
148208a8
155b81b0
hex42d9d4

4381140 has 24 divisors (see below), whose sum is σ = 12267360. Its totient is φ = 1168288.

The previous prime is 4381127. The next prime is 4381147. The reversal of 4381140 is 411834.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4381147) by changing a digit.

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, 36450 + ... + 36569.

It is an arithmetic number, because the mean of its divisors is an integer number (511140).

Almost surely, 24381140 is an apocalyptic number.

It is an amenable number.

4381140 is an abundant number, since it is smaller than the sum of its proper divisors (7886220).

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

4381140 is a wasteful number, since it uses less digits than its factorization.

4381140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73031 (or 73029 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 21.

The square root of 4381140 is about 2093.1172924612. The cubic root of 4381140 is about 163.6297915430.

Adding to 4381140 its reverse (411834), we get a palindrome (4792974).

The spelling of 4381140 in words is "four million, three hundred eighty-one thousand, one hundred forty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 73019 146038 219057 292076 365095 438114 730190 876228 1095285 1460380 2190570 4381140