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2402424020 = 225177065953
BaseRepresentation
bin1000111100110010…
…0001010011010100
320012102120210012102
42033030201103110
514410010032040
61034220141232
7113351160443
oct21714412324
96172523172
102402424020
1110231187a7
12570697818
132c3957099
1418b0d0d5a
15e0da4515
hex8f3214d4

2402424020 has 24 divisors (see below), whose sum is σ = 5341861224. Its totient is φ = 904441856.

The previous prime is 2402423963. The next prime is 2402424067. The reversal of 2402424020 is 204242042.

It can be written as a sum of positive squares in 4 ways, for example, as 448253584 + 1954170436 = 21172^2 + 44206^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 2402423983 and 2402424001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3532637 + ... + 3533316.

It is an arithmetic number, because the mean of its divisors is an integer number (222577551).

Almost surely, 22402424020 is an apocalyptic number.

2402424020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2402424020 is an abundant number, since it is smaller than the sum of its proper divisors (2939437204).

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

2402424020 is a wasteful number, since it uses less digits than its factorization.

2402424020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7065979 (or 7065977 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 20.

The square root of 2402424020 is about 49014.5286624282. The cubic root of 2402424020 is about 1339.3165037327.

Adding to 2402424020 its reverse (204242042), we get a palindrome (2606666062).

The spelling of 2402424020 in words is "two billion, four hundred two million, four hundred twenty-four thousand, twenty".

Divisors: 1 2 4 5 10 17 20 34 68 85 170 340 7065953 14131906 28263812 35329765 70659530 120121201 141319060 240242402 480484804 600606005 1201212010 2402424020