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164923200 = 26325213881
BaseRepresentation
bin10011101010010…
…00011101000000
3102111022222002200
421311020131000
5314210020300
624210513200
74041552441
oct1165103500
9374288080
10164923200
1185105272
1247295800
13282255c0
1417c912c8
15e72b200
hex9d48740

164923200 has 252 divisors, whose sum is σ = 631982988. Its totient is φ = 40550400.

The previous prime is 164923169. The next prime is 164923217. The reversal of 164923200 is 2329461.

It can be written as a sum of positive squares in 6 ways, for example, as 39841344 + 125081856 = 6312^2 + 11184^2 .

It is a congruent number.

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 35 ways as a sum of consecutive naturals, for example, 186760 + ... + 187640.

It is an arithmetic number, because the mean of its divisors is an integer number (2507869).

Almost surely, 2164923200 is an apocalyptic number.

164923200 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 164923200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (315991494).

164923200 is an abundant number, since it is smaller than the sum of its proper divisors (467059788).

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

164923200 is a wasteful number, since it uses less digits than its factorization.

164923200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 922 (or 904 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 164923200 is about 12842.2427947769. The cubic root of 164923200 is about 548.3955444321.

The spelling of 164923200 in words is "one hundred sixty-four million, nine hundred twenty-three thousand, two hundred".