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164328530 = 2519864887
BaseRepresentation
bin10011100101101…
…11010001010010
3102110012202100212
421302313101102
5314032003110
624150044122
74033524632
oct1162672122
9373182325
10164328530
1184839503
1247049642
1328077a22
1417b786c2
15e65ee05
hex9cb7452

164328530 has 16 divisors (see below), whose sum is σ = 311359680. Its totient is φ = 62271792.

The previous prime is 164328523. The next prime is 164328539. The reversal of 164328530 is 35823461.

164328530 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (164328539) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 432254 + ... + 432633.

It is an arithmetic number, because the mean of its divisors is an integer number (19459980).

Almost surely, 2164328530 is an apocalyptic number.

164328530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

164328530 is a deficient number, since it is larger than the sum of its proper divisors (147031150).

164328530 is a wasteful number, since it uses less digits than its factorization.

164328530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 864913.

The product of its (nonzero) digits is 17280, while the sum is 32.

The square root of 164328530 is about 12819.0689989562. The cubic root of 164328530 is about 547.7356269138.

The spelling of 164328530 in words is "one hundred sixty-four million, three hundred twenty-eight thousand, five hundred thirty".

Divisors: 1 2 5 10 19 38 95 190 864887 1729774 4324435 8648870 16432853 32865706 82164265 164328530