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2404240220 = 225163737497
BaseRepresentation
bin1000111101001101…
…1100101101011100
320012120000001120002
42033103130231130
514410441141340
61034323113432
7113402463464
oct21723345534
96176001502
102404240220
111024149298
12571212878
132c4141965
1418b444ba4
15e1112715
hex8f4dcb5c

2404240220 has 24 divisors (see below), whose sum is σ = 5079886224. Its totient is φ = 955794816.

The previous prime is 2404240217. The next prime is 2404240231. The reversal of 2404240220 is 220424042.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 2404240192 and 2404240201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 365489 + ... + 372008.

It is an arithmetic number, because the mean of its divisors is an integer number (211661926).

Almost surely, 22404240220 is an apocalyptic number.

2404240220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2404240220 is an abundant number, since it is smaller than the sum of its proper divisors (2675646004).

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

2404240220 is a wasteful number, since it uses less digits than its factorization.

2404240220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 737669 (or 737667 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 20.

The square root of 2404240220 is about 49033.0523218777. The cubic root of 2404240220 is about 1339.6539204280.

Adding to 2404240220 its reverse (220424042), we get a palindrome (2624664262).

The spelling of 2404240220 in words is "two billion, four hundred four million, two hundred forty thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 163 326 652 815 1630 3260 737497 1474994 2949988 3687485 7374970 14749940 120212011 240424022 480848044 601060055 1202120110 2404240220