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23125219 = 1317104639
BaseRepresentation
bin101100000110…
…1110011100011
31121111212211121
41120031303203
521410001334
62143353111
7400363315
oct130156343
947455747
1023125219
1112065357
1278b2797
134a38a80
1430dd7b5
15206bdb4
hex160dce3

23125219 has 8 divisors (see below), whose sum is σ = 26369280. Its totient is φ = 20090496.

The previous prime is 23125199. The next prime is 23125229. The reversal of 23125219 is 91252132.

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 23125219 - 25 = 23125187 is a prime.

It is a super-2 number, since 2×231252192 = 1069551507595922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23125193 and 23125202.

It is not an unprimeable number, because it can be changed into a prime (23125229) by changing a digit.

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, 52099 + ... + 52540.

It is an arithmetic number, because the mean of its divisors is an integer number (3296160).

Almost surely, 223125219 is an apocalyptic number.

23125219 is a deficient number, since it is larger than the sum of its proper divisors (3244061).

23125219 is a wasteful number, since it uses less digits than its factorization.

23125219 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104669.

The product of its digits is 1080, while the sum is 25.

The square root of 23125219 is about 4808.8687858997. The cubic root of 23125219 is about 284.9018601254.

It can be divided in two parts, 2312 and 5219, that multiplied together give a triangular number (12066328 = T4912).

The spelling of 23125219 in words is "twenty-three million, one hundred twenty-five thousand, two hundred nineteen".

Divisors: 1 13 17 221 104639 1360307 1778863 23125219