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13330400 = 255219877
BaseRepresentation
bin110010110110…
…011111100000
3221002020212112
4302312133200
511403033100
61153414452
7221210066
oct62663740
927066775
1013330400
117585366
12456a428
1329b9715
141ab0036
151284b35
hexcb67e0

13330400 has 72 divisors (see below), whose sum is σ = 34294680. Its totient is φ = 5045760.

The previous prime is 13330379. The next prime is 13330423. The reversal of 13330400 is 403331.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 14762 + ... + 15638.

It is an arithmetic number, because the mean of its divisors is an integer number (476315).

Almost surely, 213330400 is an apocalyptic number.

13330400 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 13330400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17147340).

13330400 is an abundant number, since it is smaller than the sum of its proper divisors (20964280).

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

13330400 is a wasteful number, since it uses less digits than its factorization.

13330400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 916 (or 903 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 14.

The square root of 13330400 is about 3651.0820313984. The cubic root of 13330400 is about 237.1088297678.

Adding to 13330400 its reverse (403331), we get a palindrome (13733731).

The spelling of 13330400 in words is "thirteen million, three hundred thirty thousand, four hundred".

Divisors: 1 2 4 5 8 10 16 19 20 25 32 38 40 50 76 80 95 100 152 160 190 200 304 380 400 475 608 760 800 877 950 1520 1754 1900 3040 3508 3800 4385 7016 7600 8770 14032 15200 16663 17540 21925 28064 33326 35080 43850 66652 70160 83315 87700 133304 140320 166630 175400 266608 333260 350800 416575 533216 666520 701600 833150 1333040 1666300 2666080 3332600 6665200 13330400