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2004420520 = 2351311792137
BaseRepresentation
bin111011101111001…
…0000011110101000
312011200200010001001
41313132100132220
513101112424040
6530521404344
7100446202414
oct16736203650
95150603031
102004420520
11939496893
1247b3396b4
1325c36445b
141502c9d44
15bae8759a
hex777907a8

2004420520 has 64 divisors (see below), whose sum is σ = 4571899200. Its totient is φ = 790832640.

The previous prime is 2004420503. The next prime is 2004420527. The reversal of 2004420520 is 250244002.

It is not an unprimeable number, because it can be changed into a prime (2004420527) 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, 936892 + ... + 939028.

It is an arithmetic number, because the mean of its divisors is an integer number (71435925).

Almost surely, 22004420520 is an apocalyptic number.

2004420520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2004420520 is an abundant number, since it is smaller than the sum of its proper divisors (2567478680).

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

2004420520 is a wasteful number, since it uses less digits than its factorization.

2004420520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2458 (or 2454 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 19.

The square root of 2004420520 is about 44770.7551868404. The cubic root of 2004420520 is about 1260.8486178746.

Adding to 2004420520 its reverse (250244002), we get a palindrome (2254664522).

The spelling of 2004420520 in words is "two billion, four million, four hundred twenty thousand, five hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 131 179 262 358 524 655 716 895 1048 1310 1432 1790 2137 2620 3580 4274 5240 7160 8548 10685 17096 21370 23449 42740 46898 85480 93796 117245 187592 234490 279947 382523 468980 559894 765046 937960 1119788 1399735 1530092 1912615 2239576 2799470 3060184 3825230 5598940 7650460 11197880 15300920 50110513 100221026 200442052 250552565 400884104 501105130 1002210260 2004420520