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23105755 = 541269419
BaseRepresentation
bin101100000100…
…1000011011011
31121110220010201
41120021003123
521403341010
62143123031
7400252501
oct130110333
947426121
1023105755
1112051772
1278a3477
134a2cc5a
1430d6671
15206623a
hex16090db

23105755 has 16 divisors (see below), whose sum is σ = 28576800. Its totient is φ = 17923840.

The previous prime is 23105713. The next prime is 23105783. The reversal of 23105755 is 55750132.

It is not a de Polignac number, because 23105755 - 27 = 23105627 is a prime.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 54936 + ... + 55354.

It is an arithmetic number, because the mean of its divisors is an integer number (1786050).

Almost surely, 223105755 is an apocalyptic number.

23105755 is a deficient number, since it is larger than the sum of its proper divisors (5471045).

23105755 is a wasteful number, since it uses less digits than its factorization.

23105755 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 734.

The product of its (nonzero) digits is 5250, while the sum is 28.

The square root of 23105755 is about 4806.8445991107. The cubic root of 23105755 is about 284.8219057644.

Adding to 23105755 its reverse (55750132), we get a palindrome (78855887).

The spelling of 23105755 in words is "twenty-three million, one hundred five thousand, seven hundred fifty-five".

Divisors: 1 5 41 205 269 419 1345 2095 11029 17179 55145 85895 112711 563555 4621151 23105755