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11141040 = 243561761
BaseRepresentation
bin101010011111…
…111110110000
3202222000122010
4222133332300
510323003130
61034442520
7163461111
oct52377660
922860563
1011141040
11631a479
123893440
132401041
1416a0208
15ea10b0
hexa9ffb0

11141040 has 80 divisors (see below), whose sum is σ = 35149536. Its totient is φ = 2918400.

The previous prime is 11141023. The next prime is 11141047. The reversal of 11141040 is 4014111.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (12).

It is not an unprimeable number, because it can be changed into a prime (11141047) 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, 14260 + ... + 15020.

Almost surely, 211141040 is an apocalyptic number.

11141040 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 11141040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17574768).

11141040 is an abundant number, since it is smaller than the sum of its proper divisors (24008496).

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

11141040 is a wasteful number, since it uses less digits than its factorization.

11141040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 838 (or 832 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

The square root of 11141040 is about 3337.8196476143. The cubic root of 11141040 is about 223.3444909155.

Adding to 11141040 its reverse (4014111), we get a palindrome (15155151).

The spelling of 11141040 in words is "eleven million, one hundred forty-one thousand, forty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 40 48 60 61 80 120 122 183 240 244 305 366 488 610 732 761 915 976 1220 1464 1522 1830 2283 2440 2928 3044 3660 3805 4566 4880 6088 7320 7610 9132 11415 12176 14640 15220 18264 22830 30440 36528 45660 46421 60880 91320 92842 139263 182640 185684 232105 278526 371368 464210 557052 696315 742736 928420 1114104 1392630 1856840 2228208 2785260 3713680 5570520 11141040