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164330045 = 5115989569
BaseRepresentation
bin10011100101101…
…11101000111101
3102110012211102222
421302313220331
5314032030140
624150055125
74033532225
oct1162675075
9373184388
10164330045
118483a660
124704a4a5
1328078619
1417b79085
15e6605b5
hex9cb7a3d

164330045 has 32 divisors (see below), whose sum is σ = 221616000. Its totient is φ = 115962880.

The previous prime is 164330017. The next prime is 164330087. The reversal of 164330045 is 540033461.

It is not a de Polignac number, because 164330045 - 26 = 164329981 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 164329996 and 164330023.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 288521 + ... + 289089.

It is an arithmetic number, because the mean of its divisors is an integer number (6925500).

Almost surely, 2164330045 is an apocalyptic number.

It is an amenable number.

164330045 is a deficient number, since it is larger than the sum of its proper divisors (57285955).

164330045 is a wasteful number, since it uses less digits than its factorization.

164330045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 733.

The product of its (nonzero) digits is 4320, while the sum is 26.

The square root of 164330045 is about 12819.1280904748. The cubic root of 164330045 is about 547.7373101616.

The spelling of 164330045 in words is "one hundred sixty-four million, three hundred thirty thousand, forty-five".

Divisors: 1 5 11 55 59 89 295 445 569 649 979 2845 3245 4895 5251 6259 26255 31295 33571 50641 57761 167855 253205 288805 369281 557051 1846405 2785255 2987819 14939095 32866009 164330045