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13324420 = 2253121491
BaseRepresentation
bin110010110101…
…000010000100
3221001221200001
4302311002010
511402340140
61153331044
7221153464
oct62650204
927057601
1013324420
11758091a
124566a84
1329b6a95
141aabba4
151282e9a
hexcb5084

13324420 has 24 divisors (see below), whose sum is σ = 28885248. Its totient is φ = 5157600.

The previous prime is 13324397. The next prime is 13324469. The reversal of 13324420 is 2442331.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10126 + ... + 11365.

It is an arithmetic number, because the mean of its divisors is an integer number (1203552).

Almost surely, 213324420 is an apocalyptic number.

13324420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13324420 is an abundant number, since it is smaller than the sum of its proper divisors (15560828).

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

13324420 is a wasteful number, since it uses less digits than its factorization.

13324420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21531 (or 21529 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 13324420 is about 3650.2630042231. The cubic root of 13324420 is about 237.0733688944.

Adding to 13324420 its reverse (2442331), we get a palindrome (15766751).

The spelling of 13324420 in words is "thirteen million, three hundred twenty-four thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 31 62 124 155 310 620 21491 42982 85964 107455 214910 429820 666221 1332442 2664884 3331105 6662210 13324420