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25201030 = 2519132637
BaseRepresentation
bin110000000100…
…0100110000110
31202102100022111
41200020212012
522422413110
62300051234
7424130251
oct140104606
952370274
1025201030
11132529a8
128533b1a
1352b486a
1434c0098
15232be8a
hex1808986

25201030 has 16 divisors (see below), whose sum is σ = 47749680. Its totient is φ = 9549792.

The previous prime is 25201027. The next prime is 25201037. The reversal of 25201030 is 3010252.

It is a self number, because there is not a number n which added to its sum of digits gives 25201030.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25201037) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66129 + ... + 66508.

It is an arithmetic number, because the mean of its divisors is an integer number (2984355).

Almost surely, 225201030 is an apocalyptic number.

25201030 is a deficient number, since it is larger than the sum of its proper divisors (22548650).

25201030 is a wasteful number, since it uses less digits than its factorization.

25201030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132663.

The product of its (nonzero) digits is 60, while the sum is 13.

The square root of 25201030 is about 5020.0627486118. The cubic root of 25201030 is about 293.1834360972.

Adding to 25201030 its reverse (3010252), we get a palindrome (28211282).

The spelling of 25201030 in words is "twenty-five million, two hundred one thousand, thirty".

Divisors: 1 2 5 10 19 38 95 190 132637 265274 663185 1326370 2520103 5040206 12600515 25201030