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164207 = 315297
BaseRepresentation
bin101000000101101111
322100020202
4220011233
520223312
63304115
71252511
oct500557
9270222
10164207
1110240a
127b03b
1359984
1443bb1
15339c2
hex2816f

164207 has 4 divisors (see below), whose sum is σ = 169536. Its totient is φ = 158880.

The previous prime is 164201. The next prime is 164209. The reversal of 164207 is 702461.

164207 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 702461 = 1813881.

It is a cyclic number.

It is not a de Polignac number, because 164207 - 24 = 164191 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 164207.

It is not an unprimeable number, because it can be changed into a prime (164201) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2618 + ... + 2679.

It is an arithmetic number, because the mean of its divisors is an integer number (42384).

2164207 is an apocalyptic number.

164207 is a deficient number, since it is larger than the sum of its proper divisors (5329).

164207 is an equidigital number, since it uses as much as digits as its factorization.

164207 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5328.

The product of its (nonzero) digits is 336, while the sum is 20.

The square root of 164207 is about 405.2246290639. The cubic root of 164207 is about 54.7600566724.

Adding to 164207 its reverse (702461), we get a palindrome (866668).

The spelling of 164207 in words is "one hundred sixty-four thousand, two hundred seven".

Divisors: 1 31 5297 164207