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164271152 = 2423446389
BaseRepresentation
bin10011100101010…
…01010000110000
3102110002211122202
421302221100300
5314023134102
624144522332
74033165433
oct1162512060
9373084582
10164271152
11847aa391
12470203a8
1328057886
1417b6181a
15e64ce02
hex9ca9430

164271152 has 20 divisors (see below), whose sum is σ = 332114160. Its totient is φ = 78564288.

The previous prime is 164271091. The next prime is 164271161. The reversal of 164271152 is 251172461.

It is a super-2 number, since 2×1642711522 = 53970022758814208, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 222827 + ... + 223562.

It is an arithmetic number, because the mean of its divisors is an integer number (16605708).

Almost surely, 2164271152 is an apocalyptic number.

It is an amenable number.

164271152 is an abundant number, since it is smaller than the sum of its proper divisors (167843008).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

164271152 is a wasteful number, since it uses less digits than its factorization.

164271152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 446420 (or 446414 counting only the distinct ones).

The product of its digits is 3360, while the sum is 29.

The square root of 164271152 is about 12816.8308095254. The cubic root of 164271152 is about 547.6718692016.

The spelling of 164271152 in words is "one hundred sixty-four million, two hundred seventy-one thousand, one hundred fifty-two".

Divisors: 1 2 4 8 16 23 46 92 184 368 446389 892778 1785556 3571112 7142224 10266947 20533894 41067788 82135576 164271152