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5130000 = 24335419
BaseRepresentation
bin10011100100011100010000
3100122122001000
4103210130100
52303130000
6301542000
761414161
oct23443420
910578030
105130000
112994277
121874900
1310a8005
14977768
156b5000
hex4e4710

5130000 has 200 divisors, whose sum is σ = 19368800. Its totient is φ = 1296000.

The previous prime is 5129987. The next prime is 5130001. The reversal of 5130000 is 315.

It is a tau number, because it is divible by the number of its divisors (200).

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a super Niven number, because it is divisible the sum of any subset of its (nonzero) digits.

It is not an unprimeable number, because it can be changed into a prime (5130001) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 269991 + ... + 270009.

It is an arithmetic number, because the mean of its divisors is an integer number (96844).

Almost surely, 25130000 is an apocalyptic number.

5130000 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 5130000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9684400).

5130000 is an abundant number, since it is smaller than the sum of its proper divisors (14238800).

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

5130000 is a wasteful number, since it uses less digits than its factorization.

5130000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56 (or 29 counting only the distinct ones).

The product of its (nonzero) digits is 15, while the sum is 9.

The square root of 5130000 is about 2264.9503305812. The cubic root of 5130000 is about 172.4669123683.

Adding to 5130000 its reverse (315), we get a palindrome (5130315).

The spelling of 5130000 in words is "five million, one hundred thirty thousand".