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4240012420 = 225743704321
BaseRepresentation
bin1111110010111001…
…0111010010000100
3101221111022221121001
43330232113102010
532140420344140
61540422103044
7210033340150
oct37456272204
911844287531
104240012420
1118864160a6
129a3b7aa84
135275780b7
142c3190060
1519c384e9a
hexfcb97484

4240012420 has 48 divisors (see below), whose sum is σ = 10412696448. Its totient is φ = 1419909120.

The previous prime is 4240012409. The next prime is 4240012429. The reversal of 4240012420 is 242100424.

It is not an unprimeable number, because it can be changed into a prime (4240012429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 346141 + ... + 358180.

It is an arithmetic number, because the mean of its divisors is an integer number (216931176).

Almost surely, 24240012420 is an apocalyptic number.

It is an amenable number.

4240012420 is an abundant number, since it is smaller than the sum of its proper divisors (6172684028).

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

4240012420 is a wasteful number, since it uses less digits than its factorization.

4240012420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 704380 (or 704378 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 19.

The square root of 4240012420 is about 65115.3777536459. The cubic root of 4240012420 is about 1618.5360472732.

Adding to 4240012420 its reverse (242100424), we get a palindrome (4482112844).

The spelling of 4240012420 in words is "four billion, two hundred forty million, twelve thousand, four hundred twenty".

Divisors: 1 2 4 5 7 10 14 20 28 35 43 70 86 140 172 215 301 430 602 860 1204 1505 3010 6020 704321 1408642 2817284 3521605 4930247 7043210 9860494 14086420 19720988 24651235 30285803 49302470 60571606 98604940 121143212 151429015 212000621 302858030 424001242 605716060 848002484 1060003105 2120006210 4240012420