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25005130 = 2517147089
BaseRepresentation
bin101111101100…
…0110001001010
31202001101120221
41133120301022
522400131010
62251540254
7422353153
oct137306112
952041527
1025005130
11131297a7
12845a68a
135246647
14346c92a
1522dddda
hex17d8c4a

25005130 has 16 divisors (see below), whose sum is σ = 47657160. Its totient is φ = 9413632.

The previous prime is 25005119. The next prime is 25005131. The reversal of 25005130 is 3150052.

It can be written as a sum of positive squares in 4 ways, for example, as 24990001 + 15129 = 4999^2 + 123^2 .

It is not an unprimeable number, because it can be changed into a prime (25005131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73375 + ... + 73714.

Almost surely, 225005130 is an apocalyptic number.

25005130 is a deficient number, since it is larger than the sum of its proper divisors (22652030).

25005130 is a wasteful number, since it uses less digits than its factorization.

25005130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147113.

The product of its (nonzero) digits is 150, while the sum is 16.

The square root of 25005130 is about 5000.5129736858. The cubic root of 25005130 is about 292.4217727348.

Adding to 25005130 its reverse (3150052), we get a palindrome (28155182).

The spelling of 25005130 in words is "twenty-five million, five thousand, one hundred thirty".

Divisors: 1 2 5 10 17 34 85 170 147089 294178 735445 1470890 2500513 5001026 12502565 25005130