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23680142 = 211840071
BaseRepresentation
bin101101001010…
…1010010001110
31122120002001022
41122111102032
522030231032
62203314142
7405164213
oct132252216
948502038
1023680142
1112404272
127b1b952
134ba1525
143205b0a
15212b512
hex169548e

23680142 has 4 divisors (see below), whose sum is σ = 35520216. Its totient is φ = 11840070.

The previous prime is 23680127. The next prime is 23680159. The reversal of 23680142 is 24108632.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5920034 + ... + 5920037.

It is an arithmetic number, because the mean of its divisors is an integer number (8880054).

Almost surely, 223680142 is an apocalyptic number.

23680142 is a deficient number, since it is larger than the sum of its proper divisors (11840074).

23680142 is a wasteful number, since it uses less digits than its factorization.

23680142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11840073.

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 23680142 is about 4866.2246146268. The cubic root of 23680142 is about 287.1627480826.

Adding to 23680142 its reverse (24108632), we get a palindrome (47788774).

The spelling of 23680142 in words is "twenty-three million, six hundred eighty thousand, one hundred forty-two".

Divisors: 1 2 11840071 23680142