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11419812 = 2233412579
BaseRepresentation
bin101011100100…
…000010100100
3210111012001000
4223210002210
510410413222
61044433300
7166031625
oct53440244
923435030
1011419812
11649a968
1239a8830
13249abb1
141733a4c
1510089ac
hexae40a4

11419812 has 48 divisors (see below), whose sum is σ = 30340800. Its totient is φ = 3712320.

The previous prime is 11419783. The next prime is 11419813. The reversal of 11419812 is 21891411.

It is a super-2 number, since 2×114198122 = 260824212230688, which contains 22 as substring.

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

It is not an unprimeable number, because it can be changed into a prime (11419813) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3139 + ... + 5717.

It is an arithmetic number, because the mean of its divisors is an integer number (632100).

Almost surely, 211419812 is an apocalyptic number.

11419812 is a gapful number since it is divisible by the number (12) 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 11419812, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15170400).

11419812 is an abundant number, since it is smaller than the sum of its proper divisors (18920988).

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

11419812 is a wasteful number, since it uses less digits than its factorization.

11419812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2633 (or 2625 counting only the distinct ones).

The product of its digits is 576, while the sum is 27.

The square root of 11419812 is about 3379.3212336207. The cubic root of 11419812 is about 225.1920138675.

The spelling of 11419812 in words is "eleven million, four hundred nineteen thousand, eight hundred twelve".

Divisors: 1 2 3 4 6 9 12 18 27 36 41 54 82 108 123 164 246 369 492 738 1107 1476 2214 2579 4428 5158 7737 10316 15474 23211 30948 46422 69633 92844 105739 139266 211478 278532 317217 422956 634434 951651 1268868 1903302 2854953 3806604 5709906 11419812