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13224730 = 251677919
BaseRepresentation
bin110010011100…
…101100011010
3220212212220211
4302130230122
511341142410
61151241334
7220260031
oct62345432
926785824
1013224730
117512a32
12451924a
1329805ac
141a83718
15126368a
hexc9cb1a

13224730 has 16 divisors (see below), whose sum is σ = 23950080. Its totient is φ = 5257552.

The previous prime is 13224727. The next prime is 13224737. The reversal of 13224730 is 3742231.

13224730 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (13224737) 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, 2290 + ... + 5629.

It is an arithmetic number, because the mean of its divisors is an integer number (1496880).

Almost surely, 213224730 is an apocalyptic number.

13224730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13224730 is a deficient number, since it is larger than the sum of its proper divisors (10725350).

13224730 is a wasteful number, since it uses less digits than its factorization.

13224730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8093.

The product of its (nonzero) digits is 1008, while the sum is 22.

The square root of 13224730 is about 3636.5821866142. The cubic root of 13224730 is about 236.4806468794.

Adding to 13224730 its reverse (3742231), we get a palindrome (16966961).

The spelling of 13224730 in words is "thirteen million, two hundred twenty-four thousand, seven hundred thirty".

Divisors: 1 2 5 10 167 334 835 1670 7919 15838 39595 79190 1322473 2644946 6612365 13224730