Search a number
-
+
23621030 = 256138723
BaseRepresentation
bin101101000011…
…0110110100110
31122110001221222
41122012312212
522021333110
62202140342
7404526656
oct132066646
948401858
1023621030
1112373914
127ab16b2
134b80654
1431cc366
152118c55
hex1686da6

23621030 has 16 divisors (see below), whose sum is σ = 43215984. Its totient is φ = 9293280.

The previous prime is 23621029. The next prime is 23621071. The reversal of 23621030 is 3012632.

It is a Curzon number.

It is a congruent 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 in 7 ways as a sum of consecutive naturals, for example, 18752 + ... + 19971.

It is an arithmetic number, because the mean of its divisors is an integer number (2700999).

Almost surely, 223621030 is an apocalyptic number.

23621030 is a deficient number, since it is larger than the sum of its proper divisors (19594954).

23621030 is a wasteful number, since it uses less digits than its factorization.

23621030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38791.

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 23621030 is about 4860.1471171149. The cubic root of 23621030 is about 286.9236038450.

Adding to 23621030 its reverse (3012632), we get a palindrome (26633662).

The spelling of 23621030 in words is "twenty-three million, six hundred twenty-one thousand, thirty".

Divisors: 1 2 5 10 61 122 305 610 38723 77446 193615 387230 2362103 4724206 11810515 23621030