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23125215 = 351541681
BaseRepresentation
bin101100000110…
…1110011011111
31121111212211110
41120031303133
521410001330
62143353103
7400363311
oct130156337
947455743
1023125215
1112065353
1278b2793
134a38a79
1430dd7b1
15206bdb0
hex160dcdf

23125215 has 8 divisors (see below), whose sum is σ = 37000368. Its totient is φ = 12333440.

The previous prime is 23125199. The next prime is 23125229. The reversal of 23125215 is 51252132.

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

It is not a de Polignac number, because 23125215 - 24 = 23125199 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 23125191 and 23125200.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 770826 + ... + 770855.

It is an arithmetic number, because the mean of its divisors is an integer number (4625046).

Almost surely, 223125215 is an apocalyptic number.

23125215 is a deficient number, since it is larger than the sum of its proper divisors (13875153).

23125215 is a wasteful number, since it uses less digits than its factorization.

23125215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1541689.

The product of its digits is 600, while the sum is 21.

The square root of 23125215 is about 4808.8683700014. The cubic root of 23125215 is about 284.9018436988.

Adding to 23125215 its reverse (51252132), we get a palindrome (74377347).

The spelling of 23125215 in words is "twenty-three million, one hundred twenty-five thousand, two hundred fifteen".

Divisors: 1 3 5 15 1541681 4625043 7708405 23125215