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13120422 = 237378443
BaseRepresentation
bin110010000011…
…001110100110
3220200120211120
4302003032212
511324323142
61145114410
7216343650
oct62031646
926616746
1013120422
117451627
124488a06
132944c83
141a576d0
1512427ec
hexc833a6

13120422 has 32 divisors (see below), whose sum is σ = 30803712. Its totient is φ = 3646944.

The previous prime is 13120411. The next prime is 13120423. The reversal of 13120422 is 22402131.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13120423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2668 + ... + 5775.

It is an arithmetic number, because the mean of its divisors is an integer number (962616).

Almost surely, 213120422 is an apocalyptic number.

13120422 is an abundant number, since it is smaller than the sum of its proper divisors (17683290).

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

13120422 is a wasteful number, since it uses less digits than its factorization.

13120422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8492.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 13120422 is about 3622.2123074166. The cubic root of 13120422 is about 235.8572702989.

Adding to 13120422 its reverse (22402131), we get a palindrome (35522553).

The spelling of 13120422 in words is "thirteen million, one hundred twenty thousand, four hundred twenty-two".

Divisors: 1 2 3 6 7 14 21 37 42 74 111 222 259 518 777 1554 8443 16886 25329 50658 59101 118202 177303 312391 354606 624782 937173 1874346 2186737 4373474 6560211 13120422