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23316081 = 3109113631
BaseRepresentation
bin101100011110…
…0011001110001
31121212120122120
41120330121301
521432103311
62151424453
7402116625
oct130743161
947776576
1023316081
1112185798
127985129
134aa48c9
14314d185
1520a8706
hex163c671

23316081 has 16 divisors (see below), whose sum is σ = 31701120. Its totient is φ = 15240960.

The previous prime is 23316071. The next prime is 23316101. The reversal of 23316081 is 18061332.

It is not a de Polignac number, because 23316081 - 29 = 23315569 is a prime.

It is a super-2 number, since 2×233160812 = 1087279266397122, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (23316011) 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 15 ways as a sum of consecutive naturals, for example, 36636 + ... + 37266.

It is an arithmetic number, because the mean of its divisors is an integer number (1981320).

Almost surely, 223316081 is an apocalyptic number.

It is an amenable number.

23316081 is a deficient number, since it is larger than the sum of its proper divisors (8385039).

23316081 is a wasteful number, since it uses less digits than its factorization.

23316081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 856.

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 23316081 is about 4828.6727990205. The cubic root of 23316081 is about 285.6835179130.

The spelling of 23316081 in words is "twenty-three million, three hundred sixteen thousand, eighty-one".

Divisors: 1 3 109 113 327 339 631 1893 12317 36951 68779 71303 206337 213909 7772027 23316081