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13223164 = 2219257677
BaseRepresentation
bin110010011100…
…010011111100
3220212210202211
4302130103330
511341120124
61151230204
7220252333
oct62342374
926783684
1013223164
117511839
124518364
13297c976
141a82d1a
151262e94
hexc9c4fc

13223164 has 24 divisors (see below), whose sum is σ = 24489360. Its totient is φ = 6230016.

The previous prime is 13223123. The next prime is 13223173. The reversal of 13223164 is 46132231.

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 7 ways as a sum of consecutive naturals, for example, 19194 + ... + 19870.

It is an arithmetic number, because the mean of its divisors is an integer number (1020390).

Almost surely, 213223164 is an apocalyptic number.

It is an amenable number.

13223164 is a deficient number, since it is larger than the sum of its proper divisors (11266196).

13223164 is a wasteful number, since it uses less digits than its factorization.

13223164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 957 (or 955 counting only the distinct ones).

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

The square root of 13223164 is about 3636.3668681804. The cubic root of 13223164 is about 236.4713122639.

Adding to 13223164 its reverse (46132231), we get a palindrome (59355395).

The spelling of 13223164 in words is "thirteen million, two hundred twenty-three thousand, one hundred sixty-four".

Divisors: 1 2 4 19 38 76 257 514 677 1028 1354 2708 4883 9766 12863 19532 25726 51452 173989 347978 695956 3305791 6611582 13223164