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13169052 = 223213191481
BaseRepresentation
bin110010001111…
…000110011100
3220210001112200
4302033012130
511332402202
61150131500
7216635511
oct62170634
926701480
1013169052
117485116
1244b0b90
132961150
141a6b308
151251e1c
hexc8f19c

13169052 has 72 divisors (see below), whose sum is σ = 37761360. Its totient is φ = 3836160.

The previous prime is 13169047. The next prime is 13169059. The reversal of 13169052 is 25096131.

13169052 is digitally balanced in base 2, because in such base 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 (13169059) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8152 + ... + 9632.

Almost surely, 213169052 is an apocalyptic number.

13169052 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13169052, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18880680).

13169052 is an abundant number, since it is smaller than the sum of its proper divisors (24592308).

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

13169052 is a wasteful number, since it uses less digits than its factorization.

13169052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1523 (or 1518 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 27.

The square root of 13169052 is about 3628.9188472602. The cubic root of 13169052 is about 236.1483076234.

The spelling of 13169052 in words is "thirteen million, one hundred sixty-nine thousand, fifty-two".

Divisors: 1 2 3 4 6 9 12 13 18 19 26 36 38 39 52 57 76 78 114 117 156 171 228 234 247 342 468 494 684 741 988 1481 1482 2223 2962 2964 4443 4446 5924 8886 8892 13329 17772 19253 26658 28139 38506 53316 56278 57759 77012 84417 112556 115518 168834 173277 231036 253251 337668 346554 365807 506502 693108 731614 1013004 1097421 1463228 2194842 3292263 4389684 6584526 13169052