Search a number
-
+
23705054 = 271971721
BaseRepresentation
bin101101001101…
…1010111011110
31122121100012222
41122123113132
522032030204
62204025342
7405326642
oct132332736
948540188
1023705054
1112420a5a
127b32252
134bac979
143210c22
152133abe
hex169b5de

23705054 has 16 divisors (see below), whose sum is σ = 36451296. Its totient is φ = 11558400.

The previous prime is 23705053. The next prime is 23705057. The reversal of 23705054 is 45050732.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23705053) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12914 + ... + 14634.

It is an arithmetic number, because the mean of its divisors is an integer number (2278206).

Almost surely, 223705054 is an apocalyptic number.

23705054 is a deficient number, since it is larger than the sum of its proper divisors (12746242).

23705054 is a wasteful number, since it uses less digits than its factorization.

23705054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1891.

The product of its (nonzero) digits is 4200, while the sum is 26.

The square root of 23705054 is about 4868.7836263280. The cubic root of 23705054 is about 287.2634131771.

Adding to 23705054 its reverse (45050732), we get a palindrome (68755786).

The spelling of 23705054 in words is "twenty-three million, seven hundred five thousand, fifty-four".

Divisors: 1 2 71 97 142 194 1721 3442 6887 13774 122191 166937 244382 333874 11852527 23705054