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5287492 = 227253509
BaseRepresentation
bin10100001010111001000100
3100221122002001
4110022321010
52323144432
6305155044
762641300
oct24127104
910848061
105287492
112a91631
12192ba84
1311318c2
149b8d00
156e69e7
hex50ae44

5287492 has 36 divisors (see below), whose sum is σ = 10988460. Its totient is φ = 2218944.

The previous prime is 5287489. The next prime is 5287501. The reversal of 5287492 is 2947825.

It can be written as a sum of positive squares in 2 ways, for example, as 4064256 + 1223236 = 2016^2 + 1106^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10134 + ... + 10642.

It is an arithmetic number, because the mean of its divisors is an integer number (305235).

Almost surely, 25287492 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 5287492, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5494230).

5287492 is an abundant number, since it is smaller than the sum of its proper divisors (5700968).

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

5287492 is a wasteful number, since it uses less digits than its factorization.

5287492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 580 (or 571 counting only the distinct ones).

The product of its digits is 40320, while the sum is 37.

The square root of 5287492 is about 2299.4547179712. The cubic root of 5287492 is about 174.2140757009.

The spelling of 5287492 in words is "five million, two hundred eighty-seven thousand, four hundred ninety-two".

Divisors: 1 2 4 7 14 28 49 53 98 106 196 212 371 509 742 1018 1484 2036 2597 3563 5194 7126 10388 14252 24941 26977 49882 53954 99764 107908 188839 377678 755356 1321873 2643746 5287492