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2402042020 = 225717157443
BaseRepresentation
bin1000111100101100…
…0100000010100100
320012101212101012021
42033023010002210
514404410321040
61034204032524
7113345006650
oct21713040244
96171771167
102402042020
1110229877a4
12570532744
132c3852251
1418b031a60
15e0d2b24a
hex8f2c40a4

2402042020 has 24 divisors (see below), whose sum is σ = 5764901184. Its totient is φ = 823557216.

The previous prime is 2402042011. The next prime is 2402042033. The reversal of 2402042020 is 202402042.

It is a junction number, because it is equal to n+sod(n) for n = 2402041985 and 2402042003.

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, 8578582 + ... + 8578861.

It is an arithmetic number, because the mean of its divisors is an integer number (240204216).

Almost surely, 22402042020 is an apocalyptic number.

2402042020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2402042020 is an abundant number, since it is smaller than the sum of its proper divisors (3362859164).

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

2402042020 is a wasteful number, since it uses less digits than its factorization.

2402042020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17157459 (or 17157457 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 16.

The square root of 2402042020 is about 49010.6317037436. The cubic root of 2402042020 is about 1339.2455134857.

Adding to 2402042020 its reverse (202402042), we get a palindrome (2604444062).

The spelling of 2402042020 in words is "two billion, four hundred two million, forty-two thousand, twenty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 17157443 34314886 68629772 85787215 120102101 171574430 240204202 343148860 480408404 600510505 1201021010 2402042020