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164340695 = 532868139
BaseRepresentation
bin10011100101110…
…10001111010111
3102110020101001102
421302322033113
5314032400240
624150220315
74033605251
oct1162721727
9373211042
10164340695
1184847662
124705469b
132808041c
1417b7ccd1
15e663815
hex9cba3d7

164340695 has 4 divisors (see below), whose sum is σ = 197208840. Its totient is φ = 131472552.

The previous prime is 164340689. The next prime is 164340697. The reversal of 164340695 is 596043461.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 596043461 = 1345849497.

It is a cyclic number.

It is not a de Polignac number, because 164340695 - 214 = 164324311 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164340697) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 16434065 + ... + 16434074.

It is an arithmetic number, because the mean of its divisors is an integer number (49302210).

Almost surely, 2164340695 is an apocalyptic number.

164340695 is a deficient number, since it is larger than the sum of its proper divisors (32868145).

164340695 is an equidigital number, since it uses as much as digits as its factorization.

164340695 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32868144.

The product of its (nonzero) digits is 77760, while the sum is 38.

The square root of 164340695 is about 12819.5434786111. The cubic root of 164340695 is about 547.7491426019.

The spelling of 164340695 in words is "one hundred sixty-four million, three hundred forty thousand, six hundred ninety-five".

Divisors: 1 5 32868139 164340695