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164235103 = 433819421
BaseRepresentation
bin10011100101000…
…00011101011111
3102110001000012121
421302200131133
5314021010403
624144043411
74032655354
oct1162403537
9373030177
10164235103
118478529a
1247003567
1328044346
1417b5262b
15e6423bd
hex9ca075f

164235103 has 4 divisors (see below), whose sum is σ = 168054568. Its totient is φ = 160415640.

The previous prime is 164235083. The next prime is 164235131. The reversal of 164235103 is 301532461.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 301532461 = 2313110107.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-164235103 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164235133) 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, 1909668 + ... + 1909753.

It is an arithmetic number, because the mean of its divisors is an integer number (42013642).

Almost surely, 2164235103 is an apocalyptic number.

164235103 is a deficient number, since it is larger than the sum of its proper divisors (3819465).

164235103 is an equidigital number, since it uses as much as digits as its factorization.

164235103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3819464.

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 164235103 is about 12815.4244174744. The cubic root of 164235103 is about 547.6318044117.

Adding to 164235103 its reverse (301532461), we get a palindrome (465767564).

The spelling of 164235103 in words is "one hundred sixty-four million, two hundred thirty-five thousand, one hundred three".

Divisors: 1 43 3819421 164235103