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13168672 = 2511219179
BaseRepresentation
bin110010001111…
…000000100000
3220210001000121
4302033000200
511332344142
61150130024
7216634426
oct62170040
926701017
1013168672
117484900
1244b0914
132960c1a
141a6b116
151251c67
hexc8f020

13168672 has 72 divisors (see below), whose sum is σ = 30164400. Its totient is φ = 5639040.

The previous prime is 13168669. The next prime is 13168709. The reversal of 13168672 is 27686131.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 73479 + ... + 73657.

It is an arithmetic number, because the mean of its divisors is an integer number (418950).

Almost surely, 213168672 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 13168672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15082200).

13168672 is an abundant number, since it is smaller than the sum of its proper divisors (16995728).

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

13168672 is a wasteful number, since it uses less digits than its factorization.

13168672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 230 (or 211 counting only the distinct ones).

The product of its digits is 12096, while the sum is 34.

The square root of 13168672 is about 3628.8664896907. The cubic root of 13168672 is about 236.1460362065.

The spelling of 13168672 in words is "thirteen million, one hundred sixty-eight thousand, six hundred seventy-two".

Divisors: 1 2 4 8 11 16 19 22 32 38 44 76 88 121 152 176 179 209 242 304 352 358 418 484 608 716 836 968 1432 1672 1936 1969 2299 2864 3344 3401 3872 3938 4598 5728 6688 6802 7876 9196 13604 15752 18392 21659 27208 31504 36784 37411 43318 54416 63008 73568 74822 86636 108832 149644 173272 299288 346544 411521 598576 693088 823042 1197152 1646084 3292168 6584336 13168672