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13260250 = 253293159
BaseRepresentation
bin110010100101…
…010111011010
3220221200122101
4302211113122
511343312000
61152114014
7220465423
oct62452732
926850571
1013260250
117537693
12453590a
132993803
141a9264a
15126de6a
hexca55da

13260250 has 64 divisors (see below), whose sum is σ = 26956800. Its totient is φ = 4872000.

The previous prime is 13260239. The next prime is 13260253. The reversal of 13260250 is 5206231.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (13260253) 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 31 ways as a sum of consecutive naturals, for example, 224721 + ... + 224779.

It is an arithmetic number, because the mean of its divisors is an integer number (421200).

Almost surely, 213260250 is an apocalyptic number.

13260250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13260250 is an abundant number, since it is smaller than the sum of its proper divisors (13696550).

13260250 is a wasteful number, since it uses less digits than its factorization.

13260250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136 (or 126 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 13260250 is about 3641.4626182346. The cubic root of 13260250 is about 236.6921769323.

Adding to 13260250 its reverse (5206231), we get a palindrome (18466481).

The spelling of 13260250 in words is "thirteen million, two hundred sixty thousand, two hundred fifty".

Divisors: 1 2 5 10 25 29 31 50 58 59 62 118 125 145 155 250 290 295 310 590 725 775 899 1450 1475 1550 1711 1798 1829 2950 3422 3625 3658 3875 4495 7250 7375 7750 8555 8990 9145 14750 17110 18290 22475 42775 44950 45725 53041 85550 91450 106082 112375 213875 224750 228625 265205 427750 457250 530410 1326025 2652050 6630125 13260250