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11490800 = 2452231249
BaseRepresentation
bin101011110101…
…010111110000
3210121210102012
4223311113300
510420201200
61050142052
7166445606
oct53652760
923553365
1011490800
116539232
123a21928
1324c42b9
141751876
15101ea35
hexaf55f0

11490800 has 60 divisors (see below), whose sum is σ = 28830000. Its totient is φ = 4392960.

The previous prime is 11490799. The next prime is 11490851. The reversal of 11490800 is 809411.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a zygodrome in base 4.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8576 + ... + 9824.

It is an arithmetic number, because the mean of its divisors is an integer number (480500).

Almost surely, 211490800 is an apocalyptic number.

11490800 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 11490800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14415000).

11490800 is an abundant number, since it is smaller than the sum of its proper divisors (17339200).

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

11490800 is a wasteful number, since it uses less digits than its factorization.

11490800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1290 (or 1279 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 23.

The square root of 11490800 is about 3389.8082541642. The cubic root of 11490800 is about 225.6576642830.

The spelling of 11490800 in words is "eleven million, four hundred ninety thousand, eight hundred".

Divisors: 1 2 4 5 8 10 16 20 23 25 40 46 50 80 92 100 115 184 200 230 368 400 460 575 920 1150 1249 1840 2300 2498 4600 4996 6245 9200 9992 12490 19984 24980 28727 31225 49960 57454 62450 99920 114908 124900 143635 229816 249800 287270 459632 499600 574540 718175 1149080 1436350 2298160 2872700 5745400 11490800