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11233240 = 235733847
BaseRepresentation
bin101010110110…
…011111011000
3210010201002221
4222312133120
510333430430
61040433424
7164323654
oct52663730
923121087
1011233240
116382777
123918874
132433cb5
1416c5a64
15ebd57a
hexab67d8

11233240 has 32 divisors (see below), whose sum is σ = 25627680. Its totient is φ = 4430592.

The previous prime is 11233231. The next prime is 11233241. The reversal of 11233240 is 4233211.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11233241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 997 + ... + 4843.

It is an arithmetic number, because the mean of its divisors is an integer number (800865).

Almost surely, 211233240 is an apocalyptic number.

11233240 is a gapful number since it is divisible by the number (10) 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 11233240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12813840).

11233240 is an abundant number, since it is smaller than the sum of its proper divisors (14394440).

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

11233240 is a wasteful number, since it uses less digits than its factorization.

11233240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3931 (or 3927 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 11233240 is about 3351.6026017414. The cubic root of 11233240 is about 223.9589104053.

Adding to 11233240 its reverse (4233211), we get a palindrome (15466451).

The spelling of 11233240 in words is "eleven million, two hundred thirty-three thousand, two hundred forty".

Divisors: 1 2 4 5 8 10 20 40 73 146 292 365 584 730 1460 2920 3847 7694 15388 19235 30776 38470 76940 153880 280831 561662 1123324 1404155 2246648 2808310 5616620 11233240