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5278992 = 243711549
BaseRepresentation
bin10100001000110100010000
3100221012102020
4110020310100
52322411432
6305051440
762604435
oct24106420
910835366
105278992
112a86204
121926b80
13112aa84
149b5b8c
156e422c
hex508d10

5278992 has 40 divisors (see below), whose sum is σ = 13838400. Its totient is φ = 1733760.

The previous prime is 5278991. The next prime is 5279003. The reversal of 5278992 is 2998725.

It is not an unprimeable number, because it can be changed into a prime (5278991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2634 + ... + 4182.

It is an arithmetic number, because the mean of its divisors is an integer number (345960).

Almost surely, 25278992 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 5278992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6919200).

5278992 is an abundant number, since it is smaller than the sum of its proper divisors (8559408).

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

5278992 is a wasteful number, since it uses less digits than its factorization.

5278992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1631 (or 1625 counting only the distinct ones).

The product of its digits is 90720, while the sum is 42.

The square root of 5278992 is about 2297.6057102993. The cubic root of 5278992 is about 174.1206720066.

The spelling of 5278992 in words is "five million, two hundred seventy-eight thousand, nine hundred ninety-two".

Divisors: 1 2 3 4 6 8 12 16 24 48 71 142 213 284 426 568 852 1136 1549 1704 3098 3408 4647 6196 9294 12392 18588 24784 37176 74352 109979 219958 329937 439916 659874 879832 1319748 1759664 2639496 5278992