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23930061 = 342118947
BaseRepresentation
bin101101101001…
…0010011001101
31200000202212120
41123102103031
522111230221
62212523153
7410254641
oct133222315
950022776
1023930061
1112565011
1280204b9
134c5b1cc
14326cc21
15217a5c6
hex16d24cd

23930061 has 8 divisors (see below), whose sum is σ = 31984224. Its totient is φ = 15914640.

The previous prime is 23929991. The next prime is 23930069. The reversal of 23930061 is 16003932.

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

It is not a de Polignac number, because 23930061 - 27 = 23929933 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23930069) 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, 8211 + ... + 10736.

It is an arithmetic number, because the mean of its divisors is an integer number (3998028).

Almost surely, 223930061 is an apocalyptic number.

It is an amenable number.

23930061 is a deficient number, since it is larger than the sum of its proper divisors (8054163).

23930061 is a wasteful number, since it uses less digits than its factorization.

23930061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19371.

The product of its (nonzero) digits is 972, while the sum is 24.

The square root of 23930061 is about 4891.8361583356. The cubic root of 23930061 is about 288.1694484122.

Adding to 23930061 its reverse (16003932), we get a palindrome (39933993).

The spelling of 23930061 in words is "twenty-three million, nine hundred thirty thousand, sixty-one".

Divisors: 1 3 421 1263 18947 56841 7976687 23930061