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2523704420 = 2253112493259
BaseRepresentation
bin1001011001101100…
…1010110001100100
320111212210110122002
42112123022301210
520132032020140
61054231424432
7116353063556
oct22633126144
96455713562
102523704420
111085624536
125a5225118
13312b0ba33
1419d2614d6
15eb85e415
hex966cac64

2523704420 has 48 divisors (see below), whose sum is σ = 5476800000. Its totient is φ = 975836160.

The previous prime is 2523704419. The next prime is 2523704429. The reversal of 2523704420 is 244073252.

It is not an unprimeable number, because it can be changed into a prime (2523704429) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 772751 + ... + 776009.

It is an arithmetic number, because the mean of its divisors is an integer number (114100000).

Almost surely, 22523704420 is an apocalyptic number.

2523704420 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 2523704420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2738400000).

2523704420 is an abundant number, since it is smaller than the sum of its proper divisors (2953095580).

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

2523704420 is a wasteful number, since it uses less digits than its factorization.

2523704420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4548 (or 4546 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 29.

The square root of 2523704420 is about 50236.4849486904. The cubic root of 2523704420 is about 1361.4849013486.

Adding to 2523704420 its reverse (244073252), we get a palindrome (2767777672).

The spelling of 2523704420 in words is "two billion, five hundred twenty-three million, seven hundred four thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 31 62 124 155 310 620 1249 2498 3259 4996 6245 6518 12490 13036 16295 24980 32590 38719 65180 77438 101029 154876 193595 202058 387190 404116 505145 774380 1010290 2020580 4070491 8140982 16281964 20352455 40704910 81409820 126185221 252370442 504740884 630926105 1261852210 2523704420