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500125000 = 23564001
BaseRepresentation
bin11101110011110…
…100110101001000
31021212001222112011
4131303310311020
52011013000000
6121343225304
715251664244
oct3563646510
91255058464
10500125000
11237342351
1211b5a8234
137c7c9c6b
144a5c9424
152dd902ba
hex1dcf4d48

500125000 has 56 divisors (see below), whose sum is σ = 1172445930. Its totient is φ = 200000000.

The previous prime is 500124983. The next prime is 500125001. The reversal of 500125000 is 521005.

It can be written as a sum of positive squares in 7 ways, for example, as 401361156 + 98763844 = 20034^2 + 9938^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (500125001) by changing a digit.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 123000 + ... + 127000.

Almost surely, 2500125000 is an apocalyptic number.

500125000 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 500125000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (586222965).

500125000 is an abundant number, since it is smaller than the sum of its proper divisors (672320930).

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

500125000 is an frugal number, since it uses more digits than its factorization.

500125000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4037 (or 4008 counting only the distinct ones).

The product of its (nonzero) digits is 50, while the sum is 13.

The square root of 500125000 is about 22363.4746852988. The cubic root of 500125000 is about 793.7666621836.

Adding to 500125000 its reverse (521005), we get a palindrome (500646005).

The spelling of 500125000 in words is "five hundred million, one hundred twenty-five thousand".

Divisors: 1 2 4 5 8 10 20 25 40 50 100 125 200 250 500 625 1000 1250 2500 3125 4001 5000 6250 8002 12500 15625 16004 20005 25000 31250 32008 40010 62500 80020 100025 125000 160040 200050 400100 500125 800200 1000250 2000500 2500625 4001000 5001250 10002500 12503125 20005000 25006250 50012500 62515625 100025000 125031250 250062500 500125000