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22380313 = 177191831
BaseRepresentation
bin101010101011…
…1111100011001
31120010001000111
41111113330121
521212132223
62115404321
7361141504
oct125277431
946101014
1022380313
11116a672a
1275b36a1
1348379b7
142d8813b
151e7130d
hex1557f19

22380313 has 8 divisors (see below), whose sum is σ = 23742720. Its totient is φ = 21023040.

The previous prime is 22380307. The next prime is 22380341. The reversal of 22380313 is 31308322.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 22380313 - 29 = 22379801 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22380343) 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, 11308 + ... + 13138.

It is an arithmetic number, because the mean of its divisors is an integer number (2967840).

Almost surely, 222380313 is an apocalyptic number.

It is an amenable number.

22380313 is a deficient number, since it is larger than the sum of its proper divisors (1362407).

22380313 is a wasteful number, since it uses less digits than its factorization.

22380313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2567.

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 22380313 is about 4730.7835503223. The cubic root of 22380313 is about 281.8093416424.

Adding to 22380313 its reverse (31308322), we get a palindrome (53688635).

The spelling of 22380313 in words is "twenty-two million, three hundred eighty thousand, three hundred thirteen".

Divisors: 1 17 719 1831 12223 31127 1316489 22380313