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28459343960 = 235711483599
BaseRepresentation
bin11010100000010011…
…110010000001011000
32201110101021110121022
4122200103302001120
5431241043001320
621023554302012
72025151301165
oct324023620130
981411243538
1028459343960
1111084615383
125622b87908
1328b71397c8
14153d9a106c
15b1874d325
hex6a04f2058

28459343960 has 16 divisors (see below), whose sum is σ = 64033524000. Its totient is φ = 11383737568.

The previous prime is 28459343959. The next prime is 28459343977. The reversal of 28459343960 is 6934395482.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 355741760 + ... + 355741839.

It is an arithmetic number, because the mean of its divisors is an integer number (4002095250).

Almost surely, 228459343960 is an apocalyptic number.

28459343960 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

28459343960 is an abundant number, since it is smaller than the sum of its proper divisors (35574180040).

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

28459343960 is a wasteful number, since it uses less digits than its factorization.

28459343960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 711483610 (or 711483606 counting only the distinct ones).

The product of its (nonzero) digits is 5598720, while the sum is 53.

The spelling of 28459343960 in words is "twenty-eight billion, four hundred fifty-nine million, three hundred forty-three thousand, nine hundred sixty".

Divisors: 1 2 4 5 8 10 20 40 711483599 1422967198 2845934396 3557417995 5691868792 7114835990 14229671980 28459343960