Search a number
-
+
23983069 = 112817759
BaseRepresentation
bin101101101111…
…1001111011101
31200010110120211
41123133033131
522114424234
62214012421
7410565325
oct133371735
950113524
1023983069
11125a0920
128047111
134c79386
143284285
15218b164
hex16df3dd

23983069 has 8 divisors (see below), whose sum is σ = 26259840. Its totient is φ = 21722400.

The previous prime is 23983049. The next prime is 23983079. The reversal of 23983069 is 96038932.

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

It is a cyclic number.

It is not a de Polignac number, because 23983069 - 29 = 23982557 is a prime.

It is a super-2 number, since 2×239830692 = 1150375197317522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23983049) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 789 + ... + 6970.

It is an arithmetic number, because the mean of its divisors is an integer number (3282480).

Almost surely, 223983069 is an apocalyptic number.

It is an amenable number.

23983069 is a deficient number, since it is larger than the sum of its proper divisors (2276771).

23983069 is a wasteful number, since it uses less digits than its factorization.

23983069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8051.

The product of its (nonzero) digits is 69984, while the sum is 40.

The square root of 23983069 is about 4897.2511677471. The cubic root of 23983069 is about 288.3820683063.

The spelling of 23983069 in words is "twenty-three million, nine hundred eighty-three thousand, sixty-nine".

Divisors: 1 11 281 3091 7759 85349 2180279 23983069