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11265144 = 2331171601
BaseRepresentation
bin101010111110…
…010001111000
3210012022212120
4222332101320
510340441034
61041241240
7164515662
oct52762170
923168776
1011265144
1163a4740
123933220
132445687
1416d3532
15ec7c49
hexabe478

11265144 has 64 divisors (see below), whose sum is σ = 31207680. Its totient is φ = 3360000.

The previous prime is 11265143. The next prime is 11265161. The reversal of 11265144 is 44156211.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11265143) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 18444 + ... + 19044.

It is an arithmetic number, because the mean of its divisors is an integer number (487620).

Almost surely, 211265144 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11265144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15603840).

11265144 is an abundant number, since it is smaller than the sum of its proper divisors (19942536).

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

11265144 is a wasteful number, since it uses less digits than its factorization.

11265144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 692 (or 688 counting only the distinct ones).

The product of its digits is 960, while the sum is 24.

The square root of 11265144 is about 3356.3587412552. The cubic root of 11265144 is about 224.1707350521.

It can be divided in two parts, 112 and 65144, that added together give a palindrome (65256).

The spelling of 11265144 in words is "eleven million, two hundred sixty-five thousand, one hundred forty-four".

Divisors: 1 2 3 4 6 8 11 12 22 24 33 44 66 71 88 132 142 213 264 284 426 568 601 781 852 1202 1562 1704 1803 2343 2404 3124 3606 4686 4808 6248 6611 7212 9372 13222 14424 18744 19833 26444 39666 42671 52888 79332 85342 128013 158664 170684 256026 341368 469381 512052 938762 1024104 1408143 1877524 2816286 3755048 5632572 11265144