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25252030 = 2510923167
BaseRepresentation
bin110000001010…
…1000010111110
31202111221021101
41200111002332
522431031110
62301123314
7424432036
oct140250276
952457241
1025252030
1113288251
12855953a
135301b3b
1434d48c6
15233c13a
hex18150be

25252030 has 16 divisors (see below), whose sum is σ = 45872640. Its totient is φ = 10007712.

The previous prime is 25252013. The next prime is 25252033. The reversal of 25252030 is 3025252.

It is a junction number, because it is equal to n+sod(n) for n = 25251989 and 25252007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25252033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10494 + ... + 12673.

It is an arithmetic number, because the mean of its divisors is an integer number (2867040).

Almost surely, 225252030 is an apocalyptic number.

25252030 is a deficient number, since it is larger than the sum of its proper divisors (20620610).

25252030 is a wasteful number, since it uses less digits than its factorization.

25252030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23283.

The product of its (nonzero) digits is 600, while the sum is 19.

The square root of 25252030 is about 5025.1397990504. The cubic root of 25252030 is about 293.3810772263.

Adding to 25252030 its reverse (3025252), we get a palindrome (28277282).

The spelling of 25252030 in words is "twenty-five million, two hundred fifty-two thousand, thirty".

Divisors: 1 2 5 10 109 218 545 1090 23167 46334 115835 231670 2525203 5050406 12626015 25252030