Search a number
-
+
23641869 = 353148691
BaseRepresentation
bin101101000101…
…1111100001101
31122111010112210
41122023330031
522023014434
62202421033
7404644506
oct132137415
948433483
1023641869
1112388539
127b01779
134b89c94
1431d5bad
15211eee9
hex168bf0d

23641869 has 8 divisors (see below), whose sum is σ = 32117472. Its totient is φ = 15463760.

The previous prime is 23641843. The next prime is 23641897. The reversal of 23641869 is 96814632.

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 23641869 - 25 = 23641837 is a prime.

It is a super-2 number, since 2×236418692 = 1117875939626322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23641669) 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, 74187 + ... + 74504.

It is an arithmetic number, because the mean of its divisors is an integer number (4014684).

Almost surely, 223641869 is an apocalyptic number.

It is an amenable number.

23641869 is a deficient number, since it is larger than the sum of its proper divisors (8475603).

23641869 is a wasteful number, since it uses less digits than its factorization.

23641869 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148747.

The product of its digits is 62208, while the sum is 39.

The square root of 23641869 is about 4862.2905096261. The cubic root of 23641869 is about 287.0079558471.

The spelling of 23641869 in words is "twenty-three million, six hundred forty-one thousand, eight hundred sixty-nine".

Divisors: 1 3 53 159 148691 446073 7880623 23641869