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11982768 = 2437191877
BaseRepresentation
bin101101101101…
…011110110000
3211112210021020
4231231132300
511031422033
61104455440
7203565120
oct55553660
924483236
1011982768
116844916
12401a580
1326371c5
14183cc80
1510ba6b3
hexb6d7b0

11982768 has 80 divisors (see below), whose sum is σ = 37259520. Its totient is φ = 3241728.

The previous prime is 11982721. The next prime is 11982781. The reversal of 11982768 is 86728911.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5446 + ... + 7322.

It is an arithmetic number, because the mean of its divisors is an integer number (465744).

Almost surely, 211982768 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 11982768, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18629760).

11982768 is an abundant number, since it is smaller than the sum of its proper divisors (25276752).

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

11982768 is a wasteful number, since it uses less digits than its factorization.

11982768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1914 (or 1908 counting only the distinct ones).

The product of its digits is 48384, while the sum is 42.

The square root of 11982768 is about 3461.6134966226. The cubic root of 11982768 is about 228.8332087028.

The spelling of 11982768 in words is "eleven million, nine hundred eighty-two thousand, seven hundred sixty-eight".

Divisors: 1 2 3 4 6 7 8 12 14 16 19 21 24 28 38 42 48 56 57 76 84 112 114 133 152 168 228 266 304 336 399 456 532 798 912 1064 1596 1877 2128 3192 3754 5631 6384 7508 11262 13139 15016 22524 26278 30032 35663 39417 45048 52556 71326 78834 90096 105112 106989 142652 157668 210224 213978 249641 285304 315336 427956 499282 570608 630672 748923 855912 998564 1497846 1711824 1997128 2995692 3994256 5991384 11982768