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13827968 = 277112361
BaseRepresentation
bin110100101111…
…111110000000
3222000112101222
4310233332000
512014443333
61212214212
7225351530
oct64577600
928015358
1013827968
117895180
12476a368
132b3203b
141b9d4c0
151332298
hexd2ff80

13827968 has 128 divisors (see below), whose sum is σ = 36426240. Its totient is φ = 5068800.

The previous prime is 13827949. The next prime is 13827971. The reversal of 13827968 is 86972831.

It is a tau number, because it is divible by the number of its divisors (128).

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 226658 + ... + 226718.

It is an arithmetic number, because the mean of its divisors is an integer number (284580).

Almost surely, 213827968 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 13827968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18213120).

13827968 is an abundant number, since it is smaller than the sum of its proper divisors (22598272).

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

13827968 is a wasteful number, since it uses less digits than its factorization.

13827968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116 (or 104 counting only the distinct ones).

The product of its digits is 145152, while the sum is 44.

The square root of 13827968 is about 3718.5975851119. The cubic root of 13827968 is about 240.0229607662.

The spelling of 13827968 in words is "thirteen million, eight hundred twenty-seven thousand, nine hundred sixty-eight".

Divisors: 1 2 4 7 8 11 14 16 22 23 28 32 44 46 56 61 64 77 88 92 112 122 128 154 161 176 184 224 244 253 308 322 352 368 427 448 488 506 616 644 671 704 736 854 896 976 1012 1232 1288 1342 1403 1408 1472 1708 1771 1952 2024 2464 2576 2684 2806 2944 3416 3542 3904 4048 4697 4928 5152 5368 5612 6832 7084 7808 8096 9394 9821 9856 10304 10736 11224 13664 14168 15433 16192 18788 19642 20608 21472 22448 27328 28336 30866 32384 37576 39284 42944 44896 54656 56672 61732 75152 78568 85888 89792 108031 113344 123464 150304 157136 179584 216062 226688 246928 300608 314272 432124 493856 601216 628544 864248 987712 1257088 1728496 1975424 3456992 6913984 13827968