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11490432 = 273231301
BaseRepresentation
bin101011110101…
…010010000000
3210121202220120
4223311102000
510420143212
61050140240
7166444542
oct53652200
923552816
1011490432
116538a28
123a21680
1324c4095
141751692
15101e88c
hexaf5480

11490432 has 64 divisors (see below), whose sum is σ = 31872960. Its totient is φ = 3660800.

The previous prime is 11490407. The next prime is 11490439. The reversal of 11490432 is 23409411.

It is a tau number, because it is divible by the number of its divisors (64).

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

It is not an unprimeable number, because it can be changed into a prime (11490439) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8182 + ... + 9482.

It is an arithmetic number, because the mean of its divisors is an integer number (498015).

Almost surely, 211490432 is an apocalyptic number.

11490432 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 11490432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15936480).

11490432 is an abundant number, since it is smaller than the sum of its proper divisors (20382528).

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

11490432 is a wasteful number, since it uses less digits than its factorization.

11490432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1341 (or 1329 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 11490432 is about 3389.7539733733. The cubic root of 11490432 is about 225.6552553151.

Adding to 11490432 its reverse (23409411), we get a palindrome (34899843).

The spelling of 11490432 in words is "eleven million, four hundred ninety thousand, four hundred thirty-two".

Divisors: 1 2 3 4 6 8 12 16 23 24 32 46 48 64 69 92 96 128 138 184 192 276 368 384 552 736 1104 1301 1472 2208 2602 2944 3903 4416 5204 7806 8832 10408 15612 20816 29923 31224 41632 59846 62448 83264 89769 119692 124896 166528 179538 239384 249792 359076 478768 499584 718152 957536 1436304 1915072 2872608 3830144 5745216 11490432