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11671968 = 2537111579
BaseRepresentation
bin101100100001…
…100110100000
3210221222221010
4230201212200
510442000333
61054100520
7201132030
oct54414640
923858833
1011671968
116652360
123aaa740
1325588b9
14179b8c0
151058563
hexb219a0

11671968 has 96 divisors (see below), whose sum is σ = 38223360. Its totient is φ = 3029760.

The previous prime is 11671967. The next prime is 11671973. The reversal of 11671968 is 86917611.

It is a tau number, because it is divible by the number of its divisors (96).

It is not an unprimeable number, because it can be changed into a prime (11671967) 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, 6603 + ... + 8181.

It is an arithmetic number, because the mean of its divisors is an integer number (398160).

Almost surely, 211671968 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 11671968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19111680).

11671968 is an abundant number, since it is smaller than the sum of its proper divisors (26551392).

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

11671968 is a wasteful number, since it uses less digits than its factorization.

11671968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1610 (or 1602 counting only the distinct ones).

The product of its digits is 18144, while the sum is 39.

The square root of 11671968 is about 3416.4262029202. The cubic root of 11671968 is about 226.8374184348.

The spelling of 11671968 in words is "eleven million, six hundred seventy-one thousand, nine hundred sixty-eight".

Divisors: 1 2 3 4 6 7 8 11 12 14 16 21 22 24 28 32 33 42 44 48 56 66 77 84 88 96 112 132 154 168 176 224 231 264 308 336 352 462 528 616 672 924 1056 1232 1579 1848 2464 3158 3696 4737 6316 7392 9474 11053 12632 17369 18948 22106 25264 33159 34738 37896 44212 50528 52107 66318 69476 75792 88424 104214 121583 132636 138952 151584 176848 208428 243166 265272 277904 353696 364749 416856 486332 530544 555808 729498 833712 972664 1061088 1458996 1667424 1945328 2917992 3890656 5835984 11671968