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8241420 = 22351112487
BaseRepresentation
bin11111011100000100001100
3120111201002210
4133130010030
54102211140
6452350420
7130023315
oct37340414
916451083
108241420
1147199a0
122915410
1319272a5
14114760c
15acbd80
hex7dc10c

8241420 has 48 divisors (see below), whose sum is σ = 25175808. Its totient is φ = 1997760.

The previous prime is 8241419. The next prime is 8241427. The reversal of 8241420 is 241428.

It is not an unprimeable number, because it can be changed into a prime (8241427) 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 15 ways as a sum of consecutive naturals, for example, 5584 + ... + 6903.

It is an arithmetic number, because the mean of its divisors is an integer number (524496).

Almost surely, 28241420 is an apocalyptic number.

It is an amenable number.

8241420 is an abundant number, since it is smaller than the sum of its proper divisors (16934388).

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

8241420 is a wasteful number, since it uses less digits than its factorization.

8241420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12510 (or 12508 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 21.

The square root of 8241420 is about 2870.7873484464. The cubic root of 8241420 is about 201.9919285733.

Adding to 8241420 its reverse (241428), we get a palindrome (8482848).

The spelling of 8241420 in words is "eight million, two hundred forty-one thousand, four hundred twenty".

Divisors: 1 2 3 4 5 6 10 11 12 15 20 22 30 33 44 55 60 66 110 132 165 220 330 660 12487 24974 37461 49948 62435 74922 124870 137357 149844 187305 249740 274714 374610 412071 549428 686785 749220 824142 1373570 1648284 2060355 2747140 4120710 8241420