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1004330220 = 223537452401
BaseRepresentation
bin111011110111001…
…101110011101100
32120222211021001120
4323313031303230
54024102031340
6243354140540
733613444305
oct7367156354
92528737046
101004330220
11475a11183
12240421750
131300c514a
14975577ac
155d2894d0
hex3bdcdcec

1004330220 has 48 divisors (see below), whose sum is σ = 2888134368. Its totient is φ = 260582400.

The previous prime is 1004330207. The next prime is 1004330269. The reversal of 1004330220 is 220334001.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 1004330220.

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, 223981 + ... + 228420.

It is an arithmetic number, because the mean of its divisors is an integer number (60169466).

Almost surely, 21004330220 is an apocalyptic number.

1004330220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1004330220 is an abundant number, since it is smaller than the sum of its proper divisors (1883804148).

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

1004330220 is a wasteful number, since it uses less digits than its factorization.

1004330220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 452450 (or 452448 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 1004330220 is about 31691.1694325091. The cubic root of 1004330220 is about 1001.4413282415.

Adding to 1004330220 its reverse (220334001), we get a palindrome (1224664221).

The spelling of 1004330220 in words is "one billion, four million, three hundred thirty thousand, two hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 37 60 74 111 148 185 222 370 444 555 740 1110 2220 452401 904802 1357203 1809604 2262005 2714406 4524010 5428812 6786015 9048020 13572030 16738837 27144060 33477674 50216511 66955348 83694185 100433022 167388370 200866044 251082555 334776740 502165110 1004330220