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11490480 = 2432515959
BaseRepresentation
bin101011110101…
…010010110000
3210121202222100
4223311102300
510420143410
61050140400
7166444641
oct53652260
923552870
1011490480
116538a71
123a21700
1324c4101
1417516c8
15101e8c0
hexaf54b0

11490480 has 60 divisors (see below), whose sum is σ = 38591280. Its totient is φ = 3063936.

The previous prime is 11490463. The next prime is 11490481. The reversal of 11490480 is 8409411.

11490480 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (60).

It is a super-2 number, since 2×114904802 = 264062261260800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11490481) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7260 + ... + 8699.

It is an arithmetic number, because the mean of its divisors is an integer number (643188).

Almost surely, 211490480 is an apocalyptic number.

11490480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11490480 is an abundant number, since it is smaller than the sum of its proper divisors (27100800).

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

11490480 is a wasteful number, since it uses less digits than its factorization.

11490480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15978 (or 15969 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 27.

The square root of 11490480 is about 3389.7610535257. The cubic root of 11490480 is about 225.6555695312.

Adding to 11490480 its reverse (8409411), we get a palindrome (19899891).

The spelling of 11490480 in words is "eleven million, four hundred ninety thousand, four hundred eighty".

Divisors: 1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 30 36 40 45 48 60 72 80 90 120 144 180 240 360 720 15959 31918 47877 63836 79795 95754 127672 143631 159590 191508 239385 255344 287262 319180 383016 478770 574524 638360 718155 766032 957540 1149048 1276720 1436310 1915080 2298096 2872620 3830160 5745240 11490480