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11338938 = 23213471031
BaseRepresentation
bin101011010000…
…010010111010
3210100002002200
4223100102322
510400321223
61043011030
7165244062
oct53202272
923302080
1011338938
116445126
123969a76
132470140
1417123a2
15edea43
hexad04ba

11338938 has 48 divisors (see below), whose sum is σ = 27046656. Its totient is φ = 3411360.

The previous prime is 11338937. The next prime is 11338969. The reversal of 11338938 is 83983311.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (11338937) 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 23 ways as a sum of consecutive naturals, for example, 10483 + ... + 11513.

It is an arithmetic number, because the mean of its divisors is an integer number (563472).

Almost surely, 211338938 is an apocalyptic number.

11338938 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 11338938, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13523328).

11338938 is an abundant number, since it is smaller than the sum of its proper divisors (15707718).

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

11338938 is a wasteful number, since it uses less digits than its factorization.

11338938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1099 (or 1096 counting only the distinct ones).

The product of its digits is 15552, while the sum is 36.

The square root of 11338938 is about 3367.3339602718. Note that the first 3 decimals coincide. The cubic root of 11338938 is about 224.6591580092.

The spelling of 11338938 in words is "eleven million, three hundred thirty-eight thousand, nine hundred thirty-eight".

Divisors: 1 2 3 6 9 13 18 26 39 47 78 94 117 141 234 282 423 611 846 1031 1222 1833 2062 3093 3666 5499 6186 9279 10998 13403 18558 26806 40209 48457 80418 96914 120627 145371 241254 290742 436113 629941 872226 1259882 1889823 3779646 5669469 11338938