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23689982 = 291912889
BaseRepresentation
bin101101001011…
…1101011111110
31122120120112202
41122113223332
522031034412
62203431502
7405235001
oct132275376
948516482
1023689982
11124106a8
127b25592
134ba5b54
143209538
15212e3c2
hex1697afe

23689982 has 8 divisors (see below), whose sum is σ = 35576400. Its totient is φ = 11831184.

The previous prime is 23689973. The next prime is 23689987. The reversal of 23689982 is 28998632.

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

It is a super-2 number, since 2×236899822 = 1122430494320648, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23689987) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4607 + ... + 8282.

It is an arithmetic number, because the mean of its divisors is an integer number (4447050).

Almost surely, 223689982 is an apocalyptic number.

23689982 is a deficient number, since it is larger than the sum of its proper divisors (11886418).

23689982 is a wasteful number, since it uses less digits than its factorization.

23689982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13810.

The product of its digits is 373248, while the sum is 47.

The square root of 23689982 is about 4867.2355603566. The cubic root of 23689982 is about 287.2025182571.

The spelling of 23689982 in words is "twenty-three million, six hundred eighty-nine thousand, nine hundred eighty-two".

Divisors: 1 2 919 1838 12889 25778 11844991 23689982