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2004420642 = 23767712303
BaseRepresentation
bin111011101111001…
…0000100000100010
312011200200010012120
41313132100200202
513101112430032
6530521405110
7100446202650
oct16736204042
95150603176
102004420642
11939496994
1247b339796
1325c364523
141502c9dd0
15bae8762c
hex77790822

2004420642 has 32 divisors (see below), whose sum is σ = 4649920512. Its totient is φ = 564143184.

The previous prime is 2004420623. The next prime is 2004420653. The reversal of 2004420642 is 2460244002.

It is a super-2 number, since 2×20044206422 = 8035404220151384328, which contains 22 as substring.

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, 353338 + ... + 358965.

It is an arithmetic number, because the mean of its divisors is an integer number (145310016).

Almost surely, 22004420642 is an apocalyptic number.

2004420642 is an abundant number, since it is smaller than the sum of its proper divisors (2645499870).

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

2004420642 is a wasteful number, since it uses less digits than its factorization.

2004420642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 712382.

The product of its (nonzero) digits is 3072, while the sum is 24.

The square root of 2004420642 is about 44770.7565493370. The cubic root of 2004420642 is about 1260.8486434553.

Adding to 2004420642 its reverse (2460244002), we get a palindrome (4464664644).

The spelling of 2004420642 in words is "two billion, four million, four hundred twenty thousand, six hundred forty-two".

Divisors: 1 2 3 6 7 14 21 42 67 134 201 402 469 938 1407 2814 712303 1424606 2136909 4273818 4986121 9972242 14958363 29916726 47724301 95448602 143172903 286345806 334070107 668140214 1002210321 2004420642