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23936386 = 211968193
BaseRepresentation
bin101101101001…
…1110110000010
31200001002112211
41123103312002
522111431021
62213012334
7410312245
oct133236602
950032484
1023936386
1112569841
1280240aa
134c61056
14327125c
15217c3e1
hex16d3d82

23936386 has 4 divisors (see below), whose sum is σ = 35904582. Its totient is φ = 11968192.

The previous prime is 23936383. The next prime is 23936449. The reversal of 23936386 is 68363932.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 23824161 + 112225 = 4881^2 + 335^2 .

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (23936383) 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 as a sum of consecutive naturals, namely, 5984095 + ... + 5984098.

Almost surely, 223936386 is an apocalyptic number.

23936386 is a deficient number, since it is larger than the sum of its proper divisors (11968196).

23936386 is a wasteful number, since it uses less digits than its factorization.

23936386 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11968195.

The product of its digits is 139968, while the sum is 40.

The square root of 23936386 is about 4892.4826008888. The cubic root of 23936386 is about 288.1948350476.

The spelling of 23936386 in words is "twenty-three million, nine hundred thirty-six thousand, three hundred eighty-six".

Divisors: 1 2 11968193 23936386