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23190327 = 331276763
BaseRepresentation
bin101100001110…
…1101100110111
31121122012011000
41120131230313
521414042302
62145014343
7401054166
oct130355467
947565130
1023190327
11120aa266
1279243b3
134a5c5b4
1431193dd
15208131c
hex161db37

23190327 has 16 divisors (see below), whose sum is σ = 34631680. Its totient is φ = 15336216.

The previous prime is 23190319. The next prime is 23190331. The reversal of 23190327 is 72309132.

It is not a de Polignac number, because 23190327 - 23 = 23190319 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 23190327.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23150327) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48 + ... + 6810.

It is an arithmetic number, because the mean of its divisors is an integer number (2164480).

Almost surely, 223190327 is an apocalyptic number.

23190327 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

23190327 is a deficient number, since it is larger than the sum of its proper divisors (11441353).

23190327 is a wasteful number, since it uses less digits than its factorization.

23190327 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6899 (or 6893 counting only the distinct ones).

The product of its (nonzero) digits is 2268, while the sum is 27.

The square root of 23190327 is about 4815.6336031721. The cubic root of 23190327 is about 285.1689856557.

Adding to 23190327 its reverse (72309132), we get a palindrome (95499459).

The spelling of 23190327 in words is "twenty-three million, one hundred ninety thousand, three hundred twenty-seven".

Divisors: 1 3 9 27 127 381 1143 3429 6763 20289 60867 182601 858901 2576703 7730109 23190327