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23840283 = 328192
BaseRepresentation
bin101101011110…
…0011000011011
31122212012201110
41122330120123
522100342113
62210551403
7406432125
oct132743033
948765643
1023840283
1112503615
127b98563
134c2939c
143248215
15215dbc3
hex16bc61b

23840283 has 6 divisors (see below), whose sum is σ = 31798324. Its totient is φ = 15887884.

The previous prime is 23840281. The next prime is 23840303. The reversal of 23840283 is 38204832.

It is not a de Polignac number, because 23840283 - 21 = 23840281 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 23840283.

It is not an unprimeable number, because it can be changed into a prime (23840281) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7048 + ... + 9866.

Almost surely, 223840283 is an apocalyptic number.

23840283 is a deficient number, since it is larger than the sum of its proper divisors (7958041).

23840283 is an frugal number, since it uses more digits than its factorization.

23840283 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5641 (or 2822 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 30.

The square root of 23840283 is about 4882.6512265367. The cubic root of 23840283 is about 287.8086233402.

The spelling of 23840283 in words is "twenty-three million, eight hundred forty thousand, two hundred eighty-three".

Divisors: 1 3 2819 8457 7946761 23840283