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69424105 = 5831311277
BaseRepresentation
bin1000010001101…
…01001111101001
311211122002222011
410020311033221
5120233032410
610515555521
71502044432
oct410651751
9154562864
1069424105
11362083a3
121b2bbba1
13114c966a
149312489
15616518a
hex42353e9

69424105 has 16 divisors (see below), whose sum is σ = 85022784. Its totient is φ = 54408640.

The previous prime is 69424087. The next prime is 69424139. The reversal of 69424105 is 50142496.

It is a de Polignac number, because none of the positive numbers 2k-69424105 is a prime.

It is a Duffinian 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 15 ways as a sum of consecutive naturals, for example, 53727 + ... + 55003.

It is an arithmetic number, because the mean of its divisors is an integer number (5313924).

Almost surely, 269424105 is an apocalyptic number.

It is an amenable number.

69424105 is a deficient number, since it is larger than the sum of its proper divisors (15598679).

69424105 is a wasteful number, since it uses less digits than its factorization.

69424105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1496.

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 69424105 is about 8332.1128772959. The cubic root of 69424105 is about 410.9952126966.

The spelling of 69424105 in words is "sixty-nine million, four hundred twenty-four thousand, one hundred five".

Divisors: 1 5 83 131 415 655 1277 6385 10873 54365 105991 167287 529955 836435 13884821 69424105