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164206244 = 2271578191
BaseRepresentation
bin10011100100110…
…01011010100100
3102102222112121202
421302121122210
5314014044434
624143302032
74032505256
oct1162313244
9372875552
10164206244
1184765644
1246baa918
1328034177
1417b45cd6
15e638a7e
hex9c996a4

164206244 has 12 divisors (see below), whose sum is σ = 291408768. Its totient is φ = 80946600.

The previous prime is 164206219. The next prime is 164206249. The reversal of 164206244 is 442602461.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (164206249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 288812 + ... + 289379.

It is an arithmetic number, because the mean of its divisors is an integer number (24284064).

Almost surely, 2164206244 is an apocalyptic number.

It is an amenable number.

164206244 is a deficient number, since it is larger than the sum of its proper divisors (127202524).

164206244 is a wasteful number, since it uses less digits than its factorization.

164206244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 578266 (or 578264 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 29.

The square root of 164206244 is about 12814.2984201243. The cubic root of 164206244 is about 547.5997263485.

The spelling of 164206244 in words is "one hundred sixty-four million, two hundred six thousand, two hundred forty-four".

Divisors: 1 2 4 71 142 284 578191 1156382 2312764 41051561 82103122 164206244