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13905528 = 2337136367
BaseRepresentation
bin110101000010…
…111001111000
3222011110210120
4311002321320
512024434103
61214013240
7226123620
oct65027170
928143716
1013905528
11793847a
1247a7220
132b5b430
141bbd880
15134a253
hexd42e78

13905528 has 64 divisors (see below), whose sum is σ = 42792960. Its totient is φ = 3666816.

The previous prime is 13905527. The next prime is 13905539. The reversal of 13905528 is 82550931.

13905528 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13905527) 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, 1000 + ... + 5367.

It is an arithmetic number, because the mean of its divisors is an integer number (668640).

Almost surely, 213905528 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 13905528, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21396480).

13905528 is an abundant number, since it is smaller than the sum of its proper divisors (28887432).

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

13905528 is a wasteful number, since it uses less digits than its factorization.

13905528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6396 (or 6392 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 33.

The square root of 13905528 is about 3729.0116653076. The cubic root of 13905528 is about 240.4708810805.

The spelling of 13905528 in words is "thirteen million, nine hundred five thousand, five hundred twenty-eight".

Divisors: 1 2 3 4 6 7 8 12 13 14 21 24 26 28 39 42 52 56 78 84 91 104 156 168 182 273 312 364 546 728 1092 2184 6367 12734 19101 25468 38202 44569 50936 76404 82771 89138 133707 152808 165542 178276 248313 267414 331084 356552 496626 534828 579397 662168 993252 1069656 1158794 1738191 1986504 2317588 3476382 4635176 6952764 13905528