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11749968 = 243359461
BaseRepresentation
bin101100110100…
…101001010000
3211002221221000
4230310221100
511001444333
61055502000
7201605316
oct54645120
924087830
1011749968
1166a5a1a
123b27900
132585259
1417bc0b6
151071713
hexb34a50

11749968 has 80 divisors (see below), whose sum is σ = 34372800. Its totient is φ = 3841920.

The previous prime is 11749963. The next prime is 11749973. The reversal of 11749968 is 86994711.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (11749963) and next prime (11749973).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11749963) 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, 25258 + ... + 25718.

It is an arithmetic number, because the mean of its divisors is an integer number (429660).

Almost surely, 211749968 is an apocalyptic number.

11749968 is a gapful number since it is divisible by the number (18) 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 11749968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17186400).

11749968 is an abundant number, since it is smaller than the sum of its proper divisors (22622832).

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

11749968 is a wasteful number, since it uses less digits than its factorization.

11749968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 537 (or 525 counting only the distinct ones).

The product of its digits is 108864, while the sum is 45.

The square root of 11749968 is about 3427.8226325176. The cubic root of 11749968 is about 227.3415908074.

The spelling of 11749968 in words is "eleven million, seven hundred forty-nine thousand, nine hundred sixty-eight".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 27 36 48 54 59 72 108 118 144 177 216 236 354 432 461 472 531 708 922 944 1062 1383 1416 1593 1844 2124 2766 2832 3186 3688 4149 4248 5532 6372 7376 8298 8496 11064 12447 12744 16596 22128 24894 25488 27199 33192 49788 54398 66384 81597 99576 108796 163194 199152 217592 244791 326388 435184 489582 652776 734373 979164 1305552 1468746 1958328 2937492 3916656 5874984 11749968