Search a number
-
+
23307042 = 2311353137
BaseRepresentation
bin101100011101…
…0001100100010
31121212010020210
41120322030202
521431311132
62151314550
7402051363
oct130721442
947763223
1023307042
1112179a20
12797ba56
134aa0765
143149b6a
1520a5bcc
hex163a322

23307042 has 16 divisors (see below), whose sum is σ = 50851872. Its totient is φ = 7062720.

The previous prime is 23307029. The next prime is 23307043. The reversal of 23307042 is 24070332.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (23307043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 176503 + ... + 176634.

It is an arithmetic number, because the mean of its divisors is an integer number (3178242).

Almost surely, 223307042 is an apocalyptic number.

23307042 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

23307042 is an abundant number, since it is smaller than the sum of its proper divisors (27544830).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23307042 is a wasteful number, since it uses less digits than its factorization.

23307042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 353153.

The product of its (nonzero) digits is 1008, while the sum is 21.

The square root of 23307042 is about 4827.7367368157. The cubic root of 23307042 is about 285.6465959408.

Adding to 23307042 its reverse (24070332), we get a palindrome (47377374).

The spelling of 23307042 in words is "twenty-three million, three hundred seven thousand, forty-two".

Divisors: 1 2 3 6 11 22 33 66 353137 706274 1059411 2118822 3884507 7769014 11653521 23307042