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2420443340 = 2257174367353
BaseRepresentation
bin1001000001000101…
…0000100011001100
320020200111021001122
42100101100203030
514424113141330
61040102300112
7113660300060
oct22021204314
96220437048
102420443340
1110323059a7
12576727638
132c75c5ac3
1418d661aa0
15e27635e5
hex904508cc

2420443340 has 192 divisors, whose sum is σ = 6405848064. Its totient is φ = 749371392.

The previous prime is 2420443331. The next prime is 2420443349. The reversal of 2420443340 is 433440242.

It is an interprime number because it is at equal distance from previous prime (2420443331) and next prime (2420443349).

It is not an unprimeable number, because it can be changed into a prime (2420443349) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 6856604 + ... + 6856956.

It is an arithmetic number, because the mean of its divisors is an integer number (33363792).

Almost surely, 22420443340 is an apocalyptic number.

2420443340 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 2420443340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3202924032).

2420443340 is an abundant number, since it is smaller than the sum of its proper divisors (3985404724).

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

2420443340 is a wasteful number, since it uses less digits than its factorization.

2420443340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 496 (or 494 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 26.

The square root of 2420443340 is about 49198.0013821700. The cubic root of 2420443340 is about 1342.6566697326.

Adding to 2420443340 its reverse (433440242), we get a palindrome (2853883582).

The spelling of 2420443340 in words is "two billion, four hundred twenty million, four hundred forty-three thousand, three hundred forty".