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4284940 = 2251119477
BaseRepresentation
bin10000010110001000001100
322001200211111
4100112020030
52044104230
6231501404
751264352
oct20261014
98050744
104284940
112467380
121527864
13b7048a
147d77d2
1559992a
hex41620c

4284940 has 24 divisors (see below), whose sum is σ = 9816912. Its totient is φ = 1558080.

The previous prime is 4284919. The next prime is 4284941. The reversal of 4284940 is 494824.

It is a super-3 number, since 3×42849403 (a number of 21 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (4284941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9519 + ... + 9958.

It is an arithmetic number, because the mean of its divisors is an integer number (409038).

Almost surely, 24284940 is an apocalyptic number.

It is an amenable number.

4284940 is an abundant number, since it is smaller than the sum of its proper divisors (5531972).

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

4284940 is a wasteful number, since it uses less digits than its factorization.

4284940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19497 (or 19495 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 31.

The square root of 4284940 is about 2070.0096618132. The cubic root of 4284940 is about 162.4232694944.

Subtracting from 4284940 its product of nonzero digits (9216), we obtain a palindrome (4275724).

The spelling of 4284940 in words is "four million, two hundred eighty-four thousand, nine hundred forty".

Divisors: 1 2 4 5 10 11 20 22 44 55 110 220 19477 38954 77908 97385 194770 214247 389540 428494 856988 1071235 2142470 4284940