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23530054 = 2311911987
BaseRepresentation
bin101100111000…
…0101001000110
31122021110011111
41121300221012
522010430204
62200155234
7404000512
oct131605106
948243144
1023530054
1112311529
127a68b1a
134b4b112
1431a7142
1520ebd04
hex1670a46

23530054 has 16 divisors (see below), whose sum is σ = 36642816. Its totient is φ = 11320200.

The previous prime is 23530051. The next prime is 23530063. The reversal of 23530054 is 45003532.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23530051) 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, 10849 + ... + 12835.

It is an arithmetic number, because the mean of its divisors is an integer number (2290176).

Almost surely, 223530054 is an apocalyptic number.

23530054 is a deficient number, since it is larger than the sum of its proper divisors (13112762).

23530054 is a wasteful number, since it uses less digits than its factorization.

23530054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2211.

The product of its (nonzero) digits is 1800, while the sum is 22.

The square root of 23530054 is about 4850.7787003738. The cubic root of 23530054 is about 286.5547694400.

Adding to 23530054 its reverse (45003532), we get a palindrome (68533586).

The spelling of 23530054 in words is "twenty-three million, five hundred thirty thousand, fifty-four".

Divisors: 1 2 31 62 191 382 1987 3974 5921 11842 61597 123194 379517 759034 11765027 23530054