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164741824 = 2613238609
BaseRepresentation
bin10011101000111…
…00001011000000
3102110222202022001
421310130023000
5314133214244
624202553344
74040165602
oct1164341300
9373882261
10164741824
1184aa0a75
1247208854
1328190b90
1417c45172
15e6e25d4
hex9d1c2c0

164741824 has 56 divisors (see below), whose sum is σ = 367405920. Its totient is φ = 72720384.

The previous prime is 164741809. The next prime is 164741831. The reversal of 164741824 is 428147461.

It is a happy 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 7 ways as a sum of consecutive naturals, for example, 14832 + ... + 23440.

It is an arithmetic number, because the mean of its divisors is an integer number (6560820).

Almost surely, 2164741824 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 164741824, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (183702960).

164741824 is an abundant number, since it is smaller than the sum of its proper divisors (202664096).

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

164741824 is a wasteful number, since it uses less digits than its factorization.

164741824 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8657 (or 8647 counting only the distinct ones).

The product of its digits is 43008, while the sum is 37.

The square root of 164741824 is about 12835.1791573005. The cubic root of 164741824 is about 548.1944361276.

The spelling of 164741824 in words is "one hundred sixty-four million, seven hundred forty-one thousand, eight hundred twenty-four".

Divisors: 1 2 4 8 13 16 23 26 32 46 52 64 92 104 184 208 299 368 416 598 736 832 1196 1472 2392 4784 8609 9568 17218 19136 34436 68872 111917 137744 198007 223834 275488 396014 447668 550976 792028 895336 1584056 1790672 2574091 3168112 3581344 5148182 6336224 7162688 10296364 12672448 20592728 41185456 82370912 164741824