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13243052 = 22127131199
BaseRepresentation
bin110010100001…
…001010101100
3220220211001102
4302201022230
511342234202
61151502232
7220364324
oct62411254
926824042
1013243052
117525779
124527978
132988a34
141a8a284
151268d02
hexca12ac

13243052 has 24 divisors (see below), whose sum is σ = 23654400. Its totient is φ = 6486480.

The previous prime is 13243033. The next prime is 13243063. The reversal of 13243052 is 25034231.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66449 + ... + 66647.

It is an arithmetic number, because the mean of its divisors is an integer number (985600).

Almost surely, 213243052 is an apocalyptic number.

It is an amenable number.

13243052 is a deficient number, since it is larger than the sum of its proper divisors (10411348).

13243052 is a wasteful number, since it uses less digits than its factorization.

13243052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 461 (or 459 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 13243052 is about 3639.1004382952. The cubic root of 13243052 is about 236.5898059830.

Adding to 13243052 its reverse (25034231), we get a palindrome (38277283).

The spelling of 13243052 in words is "thirteen million, two hundred forty-three thousand, fifty-two".

Divisors: 1 2 4 127 131 199 254 262 398 508 524 796 16637 25273 26069 33274 50546 52138 66548 101092 104276 3310763 6621526 13243052