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11038680 = 233453407
BaseRepresentation
bin101010000110…
…111111011000
3202202211020000
4222012333120
510311214210
61032333000
7162553512
oct52067730
922684200
1011038680
11625a584
123844160
132396583
141674bb2
15e80ac0
hexa86fd8

11038680 has 80 divisors (see below), whose sum is σ = 37113120. Its totient is φ = 2942784.

The previous prime is 11038669. The next prime is 11038721. The reversal of 11038680 is 8683011.

It is a super-2 number, since 2×110386802 = 243704912284800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1537 + ... + 4943.

It is an arithmetic number, because the mean of its divisors is an integer number (463914).

Almost surely, 211038680 is an apocalyptic number.

11038680 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 11038680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18556560).

11038680 is an abundant number, since it is smaller than the sum of its proper divisors (26074440).

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

11038680 is a wasteful number, since it uses less digits than its factorization.

11038680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3430 (or 3417 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 27.

The square root of 11038680 is about 3322.4509025718. The cubic root of 11038680 is about 222.6583815308.

The spelling of 11038680 in words is "eleven million, thirty-eight thousand, six hundred eighty".

Divisors: 1 2 3 4 5 6 8 9 10 12 15 18 20 24 27 30 36 40 45 54 60 72 81 90 108 120 135 162 180 216 270 324 360 405 540 648 810 1080 1620 3240 3407 6814 10221 13628 17035 20442 27256 30663 34070 40884 51105 61326 68140 81768 91989 102210 122652 136280 153315 183978 204420 245304 275967 306630 367956 408840 459945 551934 613260 735912 919890 1103868 1226520 1379835 1839780 2207736 2759670 3679560 5519340 11038680