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23219 = 731107
BaseRepresentation
bin101101010110011
31011211222
411222303
51220334
6255255
7124460
oct55263
934758
1023219
1116499
121152b
13a751
148667
156d2e
hex5ab3

23219 has 8 divisors (see below), whose sum is σ = 27648. Its totient is φ = 19080.

The previous prime is 23209. The next prime is 23227. The reversal of 23219 is 91232.

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 23219 - 24 = 23203 is a prime.

It is a super-2 number, since 2×232192 = 1078243922, which contains 22 as substring.

It is a Duffinian number.

It is a nialpdrome in base 13.

It is a junction number, because it is equal to n+sod(n) for n = 23197 and 23206.

It is not an unprimeable number, because it can be changed into a prime (23209) 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, 164 + ... + 270.

It is an arithmetic number, because the mean of its divisors is an integer number (3456).

223219 is an apocalyptic number.

23219 is a deficient number, since it is larger than the sum of its proper divisors (4429).

23219 is a wasteful number, since it uses less digits than its factorization.

23219 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145.

The product of its digits is 108, while the sum is 17.

The square root of 23219 is about 152.3778199083. The cubic root of 23219 is about 28.5286466861.

It can be divided in two parts, 23 and 219, that added together give a palindrome (242).

The spelling of 23219 in words is "twenty-three thousand, two hundred nineteen".

Divisors: 1 7 31 107 217 749 3317 23219