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4024240420 = 225201212021
BaseRepresentation
bin1110111111011101…
…0000100100100100
3101101110022121001111
43233313100210210
531220201143140
61503153234404
7201503323234
oct35767204444
911343277044
104024240420
111785640432
12943862a04
134c195ac65
142a2663cc4
151884627ea
hexefdd0924

4024240420 has 12 divisors (see below), whose sum is σ = 8450904924. Its totient is φ = 1609696160.

The previous prime is 4024240403. The next prime is 4024240427. The reversal of 4024240420 is 240424204.

It can be written as a sum of positive squares in 2 ways, for example, as 1321904164 + 2702336256 = 36358^2 + 51984^2 .

It is a junction number, because it is equal to n+sod(n) for n = 4024240391 and 4024240400.

It is not an unprimeable number, because it can be changed into a prime (4024240427) 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 3 ways as a sum of consecutive naturals, for example, 100605991 + ... + 100606030.

It is an arithmetic number, because the mean of its divisors is an integer number (704242077).

Almost surely, 24024240420 is an apocalyptic number.

It is an amenable number.

4024240420 is an abundant number, since it is smaller than the sum of its proper divisors (4426664504).

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

4024240420 is a wasteful number, since it uses less digits than its factorization.

4024240420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201212030 (or 201212028 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 22.

The square root of 4024240420 is about 63436.9010907689. The cubic root of 4024240420 is about 1590.6012019166.

Adding to 4024240420 its reverse (240424204), we get a palindrome (4264664624).

The spelling of 4024240420 in words is "four billion, twenty-four million, two hundred forty thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 201212021 402424042 804848084 1006060105 2012120210 4024240420