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2404000020 = 2235237922051
BaseRepresentation
bin1000111101001010…
…0010000100010100
320012112112212001210
42033102202010110
514410411000040
61034314021420
7113400443262
oct21722420424
96175485053
102404000020
111023aa4884
12571117870
132c4089526
1418b3c1432
15e10b6480
hex8f4a2114

2404000020 has 96 divisors (see below), whose sum is σ = 7113093120. Its totient is φ = 605404800.

The previous prime is 2404000019. The next prime is 2404000031. The reversal of 2404000020 is 200004042.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 97995 + ... + 120045.

It is an arithmetic number, because the mean of its divisors is an integer number (74094720).

Almost surely, 22404000020 is an apocalyptic number.

2404000020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2404000020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3556546560).

2404000020 is an abundant number, since it is smaller than the sum of its proper divisors (4709093100).

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

2404000020 is a wasteful number, since it uses less digits than its factorization.

2404000020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22165 (or 22163 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 12.

The square root of 2404000020 is about 49030.6028924793. The cubic root of 2404000020 is about 1339.6093054202.

Adding to 2404000020 its reverse (200004042), we get a palindrome (2604004062).

The spelling of 2404000020 in words is "two billion, four hundred four million, twenty", and thus it is an aban number.

Divisors: 1 2 3 4 5 6 10 12 15 20 23 30 46 60 69 79 92 115 138 158 230 237 276 316 345 395 460 474 690 790 948 1185 1380 1580 1817 2370 3634 4740 5451 7268 9085 10902 18170 21804 22051 27255 36340 44102 54510 66153 88204 109020 110255 132306 220510 264612 330765 441020 507173 661530 1014346 1323060 1521519 1742029 2028692 2535865 3043038 3484058 5071730 5226087 6086076 6968116 7607595 8710145 10143460 10452174 15215190 17420290 20904348 26130435 30430380 34840580 40066667 52260870 80133334 104521740 120200001 160266668 200333335 240400002 400666670 480800004 601000005 801333340 1202000010 2404000020