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164186270 = 2516418627
BaseRepresentation
bin10011100100101…
…00100010011110
3102102221112012222
421302110202132
5314012430040
624143025342
74032363113
oct1162244236
9372845188
10164186270
1184751636
1246b9b252
1328028051
1417b3c90a
15e632bb5
hex9c9489e

164186270 has 8 divisors (see below), whose sum is σ = 295535304. Its totient is φ = 65674504.

The previous prime is 164186237. The next prime is 164186273. The reversal of 164186270 is 72681461.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 164186270.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164186273) 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, 8209304 + ... + 8209323.

It is an arithmetic number, because the mean of its divisors is an integer number (36941913).

Almost surely, 2164186270 is an apocalyptic number.

164186270 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

164186270 is a deficient number, since it is larger than the sum of its proper divisors (131349034).

164186270 is a wasteful number, since it uses less digits than its factorization.

164186270 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16418634.

The product of its (nonzero) digits is 16128, while the sum is 35.

The square root of 164186270 is about 12813.5190326467. The cubic root of 164186270 is about 547.5775221574.

The spelling of 164186270 in words is "one hundred sixty-four million, one hundred eighty-six thousand, two hundred seventy".

Divisors: 1 2 5 10 16418627 32837254 82093135 164186270