Search a number
-
+
164516500 = 2253893697
BaseRepresentation
bin10011100111001…
…01001010010100
3102110120022012201
421303211022110
5314104012000
624154054244
74035236641
oct1163451224
9373508181
10164516500
1184957755
124711a384
1328112455
1417bc6dc8
15e69a96a
hex9ce5294

164516500 has 48 divisors (see below), whose sum is σ = 363439440. Its totient is φ = 65049600.

The previous prime is 164516461. The next prime is 164516503. The reversal of 164516500 is 5615461.

164516500 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 118330884 + 46185616 = 10878^2 + 6796^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164516503) 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 15 ways as a sum of consecutive naturals, for example, 42652 + ... + 46348.

It is an arithmetic number, because the mean of its divisors is an integer number (7571655).

Almost surely, 2164516500 is an apocalyptic number.

164516500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 164516500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (181719720).

164516500 is an abundant number, since it is smaller than the sum of its proper divisors (198922940).

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

164516500 is a wasteful number, since it uses less digits than its factorization.

164516500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3805 (or 3793 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 28.

The square root of 164516500 is about 12826.3985592215. The cubic root of 164516500 is about 547.9443929226.

It can be divided in two parts, 1645 and 16500, that added together give a triangular number (18145 = T190).

The spelling of 164516500 in words is "one hundred sixty-four million, five hundred sixteen thousand, five hundred".

Divisors: 1 2 4 5 10 20 25 50 89 100 125 178 250 356 445 500 890 1780 2225 3697 4450 7394 8900 11125 14788 18485 22250 36970 44500 73940 92425 184850 329033 369700 462125 658066 924250 1316132 1645165 1848500 3290330 6580660 8225825 16451650 32903300 41129125 82258250 164516500