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11013860 = 22511133851
BaseRepresentation
bin101010000000…
…111011100100
3202201120011202
4222000323210
510304420420
61032022032
7162421244
oct52007344
922646152
1011013860
116242970
123831918
1323881a0
141669b24
15e78575
hexa80ee4

11013860 has 48 divisors (see below), whose sum is σ = 27179712. Its totient is φ = 3696000.

The previous prime is 11013853. The next prime is 11013883. The reversal of 11013860 is 6831011.

It is a super-2 number, since 2×110138602 = 242610224199200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 935 + ... + 4785.

It is an arithmetic number, because the mean of its divisors is an integer number (566244).

Almost surely, 211013860 is an apocalyptic number.

11013860 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 11013860, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13589856).

11013860 is an abundant number, since it is smaller than the sum of its proper divisors (16165852).

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

11013860 is a wasteful number, since it uses less digits than its factorization.

11013860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3884 (or 3882 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 20.

The square root of 11013860 is about 3318.7136062035. The cubic root of 11013860 is about 222.4913770172.

Adding to 11013860 its reverse (6831011), we get a palindrome (17844871).

The spelling of 11013860 in words is "eleven million, thirteen thousand, eight hundred sixty".

Divisors: 1 2 4 5 10 11 13 20 22 26 44 52 55 65 110 130 143 220 260 286 572 715 1430 2860 3851 7702 15404 19255 38510 42361 50063 77020 84722 100126 169444 200252 211805 250315 423610 500630 550693 847220 1001260 1101386 2202772 2753465 5506930 11013860