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25305230 = 2567179211
BaseRepresentation
bin110000010001…
…0000010001110
31202121122020202
41200202002032
522434231410
62302213502
7425043116
oct140420216
952548222
1025305230
1113314215
128584292
135320112
14350a046
15234cca5
hex182208e

25305230 has 32 divisors (see below), whose sum is σ = 46707840. Its totient is φ = 9868320.

The previous prime is 25305227. The next prime is 25305233. The reversal of 25305230 is 3250352.

It is an interprime number because it is at equal distance from previous prime (25305227) and next prime (25305233).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25305233) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 119825 + ... + 120035.

It is an arithmetic number, because the mean of its divisors is an integer number (1459620).

Almost surely, 225305230 is an apocalyptic number.

25305230 is a deficient number, since it is larger than the sum of its proper divisors (21402610).

25305230 is a wasteful number, since it uses less digits than its factorization.

25305230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 464.

The product of its (nonzero) digits is 900, while the sum is 20.

The square root of 25305230 is about 5030.4303990812. The cubic root of 25305230 is about 293.5869606798.

Adding to 25305230 its reverse (3250352), we get a palindrome (28555582).

The spelling of 25305230 in words is "twenty-five million, three hundred five thousand, two hundred thirty".

Divisors: 1 2 5 10 67 134 179 211 335 358 422 670 895 1055 1790 2110 11993 14137 23986 28274 37769 59965 70685 75538 119930 141370 188845 377690 2530523 5061046 12652615 25305230