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11720352 = 2537107163
BaseRepresentation
bin101100101101…
…011010100000
3211001110022010
4230231122200
511000022402
61055112520
7201423060
oct54553240
924043263
1011720352
116685746
123b12740
132574927
1417b13a0
151067a6c
hexb2d6a0

11720352 has 96 divisors (see below), whose sum is σ = 35707392. Its totient is φ = 3297024.

The previous prime is 11720323. The next prime is 11720353. The reversal of 11720352 is 25302711.

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

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (11720353) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 71823 + ... + 71985.

It is an arithmetic number, because the mean of its divisors is an integer number (371952).

Almost surely, 211720352 is an apocalyptic number.

11720352 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is a pronic number, being equal to 3423×3424.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11720352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17853696).

11720352 is an abundant number, since it is smaller than the sum of its proper divisors (23987040).

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

11720352 is a wasteful number, since it uses less digits than its factorization.

11720352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 290 (or 282 counting only the distinct ones).

The product of its (nonzero) digits is 420, while the sum is 21.

The square root of 11720352 is about 3423.4999634877. The cubic root of 11720352 is about 227.1504239513.

The spelling of 11720352 in words is "eleven million, seven hundred twenty thousand, three hundred fifty-two".

Divisors: 1 2 3 4 6 7 8 12 14 16 21 24 28 32 42 48 56 84 96 107 112 163 168 214 224 321 326 336 428 489 642 652 672 749 856 978 1141 1284 1304 1498 1712 1956 2247 2282 2568 2608 2996 3423 3424 3912 4494 4564 5136 5216 5992 6846 7824 8988 9128 10272 11984 13692 15648 17441 17976 18256 23968 27384 34882 35952 36512 52323 54768 69764 71904 104646 109536 122087 139528 209292 244174 279056 366261 418584 488348 558112 732522 837168 976696 1465044 1674336 1953392 2930088 3906784 5860176 11720352