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5387500 = 2255431
BaseRepresentation
bin10100100011010011101100
3101010201021001
4110203103230
52334400000
6311250044
763535666
oct24432354
911121231
105387500
11304a788
121979924
131168291
14a03536
1571646a
hex5234ec

5387500 has 36 divisors (see below), whose sum is σ = 11811744. Its totient is φ = 2150000.

The previous prime is 5387489. The next prime is 5387509. The reversal of 5387500 is 57835.

It is not an unprimeable number, because it can be changed into a prime (5387509) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12285 + ... + 12715.

It is an arithmetic number, because the mean of its divisors is an integer number (328104).

Almost surely, 25387500 is an apocalyptic number.

5387500 is a gapful number since it is divisible by the number (50) 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 5387500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5905872).

5387500 is an abundant number, since it is smaller than the sum of its proper divisors (6424244).

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

5387500 is an equidigital number, since it uses as much as digits as its factorization.

5387500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 460 (or 438 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 28.

The square root of 5387500 is about 2321.0988776870. The cubic root of 5387500 is about 175.3055885136.

The spelling of 5387500 in words is "five million, three hundred eighty-seven thousand, five hundred".

Divisors: 1 2 4 5 10 20 25 50 100 125 250 431 500 625 862 1250 1724 2155 2500 3125 4310 6250 8620 10775 12500 21550 43100 53875 107750 215500 269375 538750 1077500 1346875 2693750 5387500