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164214801 = 3218246089
BaseRepresentation
bin10011100100110…
…11100000010001
3102102222222100200
421302123200101
5314014333201
624143405413
74032542232
oct1162334021
9372888320
10164214801
1184771013
1246bb3869
132803802a
1417b49089
15e63b386
hex9c9b811

164214801 has 6 divisors (see below), whose sum is σ = 237199170. Its totient is φ = 109476528.

The previous prime is 164214797. The next prime is 164214803. The reversal of 164214801 is 108412461.

It is a happy number.

164214801 is a `hidden beast` number, since 1 + 642 + 14 + 8 + 0 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 135699201 + 28515600 = 11649^2 + 5340^2 .

It is not a de Polignac number, because 164214801 - 22 = 164214797 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (164214803) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 9123036 + ... + 9123053.

It is an arithmetic number, because the mean of its divisors is an integer number (39533195).

Almost surely, 2164214801 is an apocalyptic number.

It is an amenable number.

164214801 is a deficient number, since it is larger than the sum of its proper divisors (72984369).

164214801 is a wasteful number, since it uses less digits than its factorization.

164214801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18246095 (or 18246092 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 27.

The square root of 164214801 is about 12814.6323006164. The cubic root of 164214801 is about 547.6092382269.

The spelling of 164214801 in words is "one hundred sixty-four million, two hundred fourteen thousand, eight hundred one".

Divisors: 1 3 9 18246089 54738267 164214801