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4534240 = 255171667
BaseRepresentation
bin10001010010111111100000
322112100210211
4101102333200
52130043430
6241103504
753353234
oct21227740
98470724
104534240
112617707
121627b94
13c29aa9
148605c4
155e872a
hex452fe0

4534240 has 48 divisors (see below), whose sum is σ = 11349072. Its totient is φ = 1705984.

The previous prime is 4534199. The next prime is 4534247. The reversal of 4534240 is 424354.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4534247) 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, 1887 + ... + 3553.

It is an arithmetic number, because the mean of its divisors is an integer number (236439).

Almost surely, 24534240 is an apocalyptic number.

4534240 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 4534240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5674536).

4534240 is an abundant number, since it is smaller than the sum of its proper divisors (6814832).

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

4534240 is a wasteful number, since it uses less digits than its factorization.

4534240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1699 (or 1691 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 22.

The square root of 4534240 is about 2129.3754953037. The cubic root of 4534240 is about 165.5140381724.

Adding to 4534240 its reverse (424354), we get a palindrome (4958594).

It can be divided in two parts, 4534 and 240, that added together give a palindrome (4774).

The spelling of 4534240 in words is "four million, five hundred thirty-four thousand, two hundred forty".

Divisors: 1 2 4 5 8 10 16 17 20 32 34 40 68 80 85 136 160 170 272 340 544 680 1360 1667 2720 3334 6668 8335 13336 16670 26672 28339 33340 53344 56678 66680 113356 133360 141695 226712 266720 283390 453424 566780 906848 1133560 2267120 4534240