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23105054 = 272956909
BaseRepresentation
bin101100000100…
…0111000011110
31121110212011202
41120020320132
521403330204
62143115502
7400250450
oct130107036
947425152
1023105054
1112051195
1278a2b92
134a2c83b
1430d62d0
152065e1e
hex1608e1e

23105054 has 16 divisors (see below), whose sum is σ = 40975200. Its totient is φ = 9560544.

The previous prime is 23105053. The next prime is 23105077. The reversal of 23105054 is 45050132.

23105054 = T372 + T373 + ... + T574.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23105053) 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, 28049 + ... + 28860.

It is an arithmetic number, because the mean of its divisors is an integer number (2560950).

Almost surely, 223105054 is an apocalyptic number.

23105054 is a deficient number, since it is larger than the sum of its proper divisors (17870146).

23105054 is a wasteful number, since it uses less digits than its factorization.

23105054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56947.

The product of its (nonzero) digits is 600, while the sum is 20.

The square root of 23105054 is about 4806.7716817007. The cubic root of 23105054 is about 284.8190253539.

Adding to 23105054 its reverse (45050132), we get a palindrome (68155186).

The spelling of 23105054 in words is "twenty-three million, one hundred five thousand, fifty-four".

Divisors: 1 2 7 14 29 58 203 406 56909 113818 398363 796726 1650361 3300722 11552527 23105054