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23989162 = 211994581
BaseRepresentation
bin101101110000…
…0101110101010
31200010202221111
41123200232222
522120123122
62214100534
7410622151
oct133405652
950122844
1023989162
11125a545a
12804a74a
134c7c092
143286598
15218cd77
hex16e0baa

23989162 has 4 divisors (see below), whose sum is σ = 35983746. Its totient is φ = 11994580.

The previous prime is 23989127. The next prime is 23989171. The reversal of 23989162 is 26198932.

It is a happy number.

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., 18224361 + 5764801 = 4269^2 + 2401^2 .

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 an unprimeable number.

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, 5997289 + ... + 5997292.

Almost surely, 223989162 is an apocalyptic number.

23989162 is a deficient number, since it is larger than the sum of its proper divisors (11994584).

23989162 is a wasteful number, since it uses less digits than its factorization.

23989162 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11994583.

The product of its digits is 46656, while the sum is 40.

The square root of 23989162 is about 4897.8732119156. The cubic root of 23989162 is about 288.4064877994.

It can be divided in two parts, 239 and 89162, that added together give a square (89401 = 2992).

The spelling of 23989162 in words is "twenty-three million, nine hundred eighty-nine thousand, one hundred sixty-two".

Divisors: 1 2 11994581 23989162