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164227927 = 456136007
BaseRepresentation
bin10011100100111…
…10101101010111
3102110000122100211
421302132231113
5314020243202
624143550251
74032625423
oct1162365527
9373018324
10164227927
118477a966
1246bbb387
1328040cb6
1417b4db83
15e6401d7
hex9c9eb57

164227927 has 4 divisors (see below), whose sum is σ = 164268496. Its totient is φ = 164187360.

The previous prime is 164227913. The next prime is 164227933. The reversal of 164227927 is 729722461.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 164227927 - 227 = 30010199 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 164227927.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164227907) 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, 13443 + ... + 22564.

It is an arithmetic number, because the mean of its divisors is an integer number (41067124).

Almost surely, 2164227927 is an apocalyptic number.

164227927 is a deficient number, since it is larger than the sum of its proper divisors (40569).

164227927 is an equidigital number, since it uses as much as digits as its factorization.

164227927 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40568.

The product of its digits is 84672, while the sum is 40.

The square root of 164227927 is about 12815.1444392953. The cubic root of 164227927 is about 547.6238283193.

The spelling of 164227927 in words is "one hundred sixty-four million, two hundred twenty-seven thousand, nine hundred twenty-seven".

Divisors: 1 4561 36007 164227927