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4525000 = 2355181
BaseRepresentation
bin10001010000101111001000
322111220010121
4101100233020
52124300000
6240553024
753314264
oct21205710
98456117
104525000
112610777
121622774
13c2581c
1485b0a4
155e5b1a
hex450bc8

4525000 has 48 divisors (see below), whose sum is σ = 10663380. Its totient is φ = 1800000.

The previous prime is 4524991. The next prime is 4525007. The reversal of 4525000 is 5254.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 1855044 + 2669956 = 1362^2 + 1634^2 .

It is not an unprimeable number, because it can be changed into a prime (4525007) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 24910 + ... + 25090.

Almost surely, 24525000 is an apocalyptic number.

4525000 is a gapful number since it is divisible by the number (40) 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 4525000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5331690).

4525000 is an abundant number, since it is smaller than the sum of its proper divisors (6138380).

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

4525000 is an equidigital number, since it uses as much as digits as its factorization.

4525000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212 (or 188 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 16.

The square root of 4525000 is about 2127.2047386183. The cubic root of 4525000 is about 165.4015320162.

The spelling of 4525000 in words is "four million, five hundred twenty-five thousand".

Divisors: 1 2 4 5 8 10 20 25 40 50 100 125 181 200 250 362 500 625 724 905 1000 1250 1448 1810 2500 3125 3620 4525 5000 6250 7240 9050 12500 18100 22625 25000 36200 45250 90500 113125 181000 226250 452500 565625 905000 1131250 2262500 4525000