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2404002020 = 2257137125339
BaseRepresentation
bin1000111101001010…
…0010100011100100
320012112112221210212
42033102202203210
514410411031040
61034314034552
7113400452150
oct21722424344
96175487725
102404002020
111023aa6332
12571118a58
132c408a404
1418b3c2060
15e10b6d65
hex8f4a28e4

2404002020 has 48 divisors (see below), whose sum is σ = 5811765120. Its totient is φ = 818206464.

The previous prime is 2404001987. The next prime is 2404002047. The reversal of 2404002020 is 202004042.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a junction number, because it is equal to n+sod(n) for n = 2404001986 and 2404002004.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43490 + ... + 81849.

It is an arithmetic number, because the mean of its divisors is an integer number (121078440).

Almost surely, 22404002020 is an apocalyptic number.

2404002020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2404002020 is an abundant number, since it is smaller than the sum of its proper divisors (3407763100).

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

2404002020 is a wasteful number, since it uses less digits than its factorization.

2404002020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125492 (or 125490 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 14.

The square root of 2404002020 is about 49030.6232879004. The cubic root of 2404002020 is about 1339.6096769147.

Adding to 2404002020 its reverse (202004042), we get a palindrome (2606006062).

The spelling of 2404002020 in words is "two billion, four hundred four million, two thousand, twenty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 137 140 274 548 685 959 1370 1918 2740 3836 4795 9590 19180 125339 250678 501356 626695 877373 1253390 1754746 2506780 3509492 4386865 8773730 17171443 17547460 34342886 68685772 85857215 120200101 171714430 240400202 343428860 480800404 601000505 1202001010 2404002020