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5256784 = 2413127199
BaseRepresentation
bin10100000011011001010000
3100220001221201
4110003121100
52321204114
6304400544
762452621
oct24033120
910801851
105256784
112a70555
121916154
131120930
149aba48
156dc874
hex503650

5256784 has 40 divisors (see below), whose sum is σ = 11110400. Its totient is φ = 2395008.

The previous prime is 5256781. The next prime is 5256817. The reversal of 5256784 is 4876525.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5256781) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26317 + ... + 26515.

It is an arithmetic number, because the mean of its divisors is an integer number (277760).

Almost surely, 25256784 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5256784, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5555200).

5256784 is an abundant number, since it is smaller than the sum of its proper divisors (5853616).

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

5256784 is a wasteful number, since it uses less digits than its factorization.

5256784 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 347 (or 341 counting only the distinct ones).

The product of its digits is 67200, while the sum is 37.

The square root of 5256784 is about 2292.7677597175. The cubic root of 5256784 is about 173.8761614978.

The spelling of 5256784 in words is "five million, two hundred fifty-six thousand, seven hundred eighty-four".

Divisors: 1 2 4 8 13 16 26 52 104 127 199 208 254 398 508 796 1016 1592 1651 2032 2587 3184 3302 5174 6604 10348 13208 20696 25273 26416 41392 50546 101092 202184 328549 404368 657098 1314196 2628392 5256784