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10025000 = 2355401
BaseRepresentation
bin100110001111…
…100000101000
3200212022201022
4212033200220
510031300000
6554512012
7151132256
oct46174050
920768638
1010025000
115727a27
123435608
13210006b
14148d5d6
15d30585
hex98f828

10025000 has 48 divisors (see below), whose sum is σ = 23553180. Its totient is φ = 4000000.

The previous prime is 10024979. The next prime is 10025011. The reversal of 10025000 is 52001.

It can be written as a sum of positive squares in 6 ways, for example, as 1444 + 10023556 = 38^2 + 3166^2 .

It is a Harshad number since it is a multiple of its sum of digits (8).

It is a congruent number.

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, 24800 + ... + 25200.

Almost surely, 210025000 is an apocalyptic number.

10025000 is a gapful number since it is divisible by the number (10) 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 10025000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11776590).

10025000 is an abundant number, since it is smaller than the sum of its proper divisors (13528180).

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

10025000 is an frugal number, since it uses more digits than its factorization.

10025000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 432 (or 408 counting only the distinct ones).

The product of its (nonzero) digits is 10, while the sum is 8.

The square root of 10025000 is about 3166.2280397975. The cubic root of 10025000 is about 215.6228558213.

Adding to 10025000 its reverse (52001), we get a palindrome (10077001).

The spelling of 10025000 in words is "ten million, twenty-five thousand".

Divisors: 1 2 4 5 8 10 20 25 40 50 100 125 200 250 401 500 625 802 1000 1250 1604 2005 2500 3125 3208 4010 5000 6250 8020 10025 12500 16040 20050 25000 40100 50125 80200 100250 200500 250625 401000 501250 1002500 1253125 2005000 2506250 5012500 10025000