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23309201 = 1071791217
BaseRepresentation
bin101100011101…
…0101110010001
31121212020012202
41120322232101
521431343301
62151332545
7402060566
oct130725621
947766182
1023309201
1112180603
127981155
134aa1736
14314a86d
1520a666b
hex163ab91

23309201 has 8 divisors (see below), whose sum is σ = 23677920. Its totient is φ = 22943488.

The previous prime is 23309191. The next prime is 23309203. The reversal of 23309201 is 10290332.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-23309201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23309203) 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, 18545 + ... + 19761.

It is an arithmetic number, because the mean of its divisors is an integer number (2959740).

Almost surely, 223309201 is an apocalyptic number.

It is an amenable number.

23309201 is a deficient number, since it is larger than the sum of its proper divisors (368719).

23309201 is a wasteful number, since it uses less digits than its factorization.

23309201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1503.

The product of its (nonzero) digits is 324, while the sum is 20.

The square root of 23309201 is about 4827.9603353797. The cubic root of 23309201 is about 285.6554157638.

Adding to 23309201 its reverse (10290332), we get a palindrome (33599533).

The spelling of 23309201 in words is "twenty-three million, three hundred nine thousand, two hundred one".

Divisors: 1 107 179 1217 19153 130219 217843 23309201