Search a number
-
+
23147361 = 3223671669
BaseRepresentation
bin101100001001…
…1001101100001
31121120000012200
41120103031201
521411203421
62144043413
7400515006
oct130231541
947500180
1023147361
111207aa56
127903569
134a45b83
1431078ad
152073726
hex1613361

23147361 has 24 divisors (see below), whose sum is σ = 35430720. Its totient is φ = 14531616.

The previous prime is 23147323. The next prime is 23147363. The reversal of 23147361 is 16374132.

It is not a de Polignac number, because 23147361 - 27 = 23147233 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23147363) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13035 + ... + 14703.

It is an arithmetic number, because the mean of its divisors is an integer number (1476280).

Almost surely, 223147361 is an apocalyptic number.

It is an amenable number.

23147361 is a deficient number, since it is larger than the sum of its proper divisors (12283359).

23147361 is a wasteful number, since it uses less digits than its factorization.

23147361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1765 (or 1762 counting only the distinct ones).

The product of its digits is 3024, while the sum is 27.

The square root of 23147361 is about 4811.1704397163. The cubic root of 23147361 is about 284.9927606656.

The spelling of 23147361 in words is "twenty-three million, one hundred forty-seven thousand, three hundred sixty-one".

Divisors: 1 3 9 23 67 69 201 207 603 1541 1669 4623 5007 13869 15021 38387 111823 115161 335469 345483 1006407 2571929 7715787 23147361