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12553352 = 237972311
BaseRepresentation
bin101111111000…
…110010001000
3212121202221222
4233320302020
511203201402
61125021212
7211462460
oct57706210
925552858
1012553352
1170a4579
124254808
1327a6b26
14194aba0
15117e7a2
hexbf8c88

12553352 has 32 divisors (see below), whose sum is σ = 27189120. Its totient is φ = 5322240.

The previous prime is 12553313. The next prime is 12553379. The reversal of 12553352 is 25335521.

12553352 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 4277 + ... + 6587.

It is an arithmetic number, because the mean of its divisors is an integer number (849660).

Almost surely, 212553352 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12553352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13594560).

12553352 is an abundant number, since it is smaller than the sum of its proper divisors (14635768).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12553352 is a wasteful number, since it uses less digits than its factorization.

12553352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2421 (or 2417 counting only the distinct ones).

The product of its digits is 4500, while the sum is 26.

The square root of 12553352 is about 3543.0709843298. The cubic root of 12553352 is about 232.4091570952.

Adding to 12553352 its reverse (25335521), we get a palindrome (37888873).

The spelling of 12553352 in words is "twelve million, five hundred fifty-three thousand, three hundred fifty-two".

Divisors: 1 2 4 7 8 14 28 56 97 194 388 679 776 1358 2311 2716 4622 5432 9244 16177 18488 32354 64708 129416 224167 448334 896668 1569169 1793336 3138338 6276676 12553352