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4280538 = 234911453
BaseRepresentation
bin10000010101000011011010
322001110210110
4100111003122
52043434123
6231425150
751245463
oct20250332
98043713
104280538
112464039
1215251b6
13b6b482
147d5d6a
15598493
hex4150da

4280538 has 16 divisors (see below), whose sum is σ = 8584416. Its totient is φ = 1422960.

The previous prime is 4280537. The next prime is 4280561. The reversal of 4280538 is 8350824.

It is not an unprimeable number, because it can be changed into a prime (4280531) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2220 + ... + 3672.

It is an arithmetic number, because the mean of its divisors is an integer number (536526).

Almost surely, 24280538 is an apocalyptic number.

4280538 is an abundant number, since it is smaller than the sum of its proper divisors (4303878).

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

4280538 is a wasteful number, since it uses less digits than its factorization.

4280538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1949.

The product of its (nonzero) digits is 7680, while the sum is 30.

The square root of 4280538 is about 2068.9461085297. The cubic root of 4280538 is about 162.3676302702.

The spelling of 4280538 in words is "four million, two hundred eighty thousand, five hundred thirty-eight".

Divisors: 1 2 3 6 491 982 1453 1473 2906 2946 4359 8718 713423 1426846 2140269 4280538