Search a number
-
+
164446224 = 2437173661
BaseRepresentation
bin10011100110101…
…00000000010000
3102110102201210220
421303110000100
5314044234344
624152353040
74034525025
oct1163240020
9373381726
10164446224
1184909978
12470a5780
13280b9477
1417ba954c
15e684c19
hex9cd4010

164446224 has 80 divisors (see below), whose sum is σ = 437364864. Its totient is φ = 53222400.

The previous prime is 164446223. The next prime is 164446231. The reversal of 164446224 is 422644461.

164446224 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (164446223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 248454 + ... + 249114.

Almost surely, 2164446224 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 164446224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (218682432).

164446224 is an abundant number, since it is smaller than the sum of its proper divisors (272918640).

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

164446224 is a wasteful number, since it uses less digits than its factorization.

164446224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 816 (or 810 counting only the distinct ones).

The product of its digits is 36864, while the sum is 33.

The square root of 164446224 is about 12823.6587602759. The cubic root of 164446224 is about 547.8663605784.

The spelling of 164446224 in words is "one hundred sixty-four million, four hundred forty-six thousand, two hundred twenty-four".

Divisors: 1 2 3 4 6 8 12 16 24 48 71 73 142 146 213 219 284 292 426 438 568 584 661 852 876 1136 1168 1322 1704 1752 1983 2644 3408 3504 3966 5183 5288 7932 10366 10576 15549 15864 20732 31098 31728 41464 46931 48253 62196 82928 93862 96506 124392 140793 144759 187724 193012 248784 281586 289518 375448 386024 563172 579036 750896 772048 1126344 1158072 2252688 2316144 3425963 6851926 10277889 13703852 20555778 27407704 41111556 54815408 82223112 164446224