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164330270 = 25137916001
BaseRepresentation
bin10011100101101…
…11101100011110
3102110012211202022
421302313230132
5314032032040
624150100142
74033532666
oct1162675436
9373184668
10164330270
118483a845
124704a652
1328078760
1417b791a6
15e6606b5
hex9cb7b1e

164330270 has 32 divisors (see below), whose sum is σ = 322600320. Its totient is φ = 59904000.

The previous prime is 164330249. The next prime is 164330273. The reversal of 164330270 is 72033461.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164330273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2270 + ... + 18270.

It is an arithmetic number, because the mean of its divisors is an integer number (10081260).

Almost surely, 2164330270 is an apocalyptic number.

164330270 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

164330270 is a deficient number, since it is larger than the sum of its proper divisors (158270050).

164330270 is a wasteful number, since it uses less digits than its factorization.

164330270 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16100.

The product of its (nonzero) digits is 3024, while the sum is 26.

The square root of 164330270 is about 12819.1368664197. The cubic root of 164330270 is about 547.7375601481.

It can be divided in two parts, 1643 and 30270, that added together give a palindrome (31913).

The spelling of 164330270 in words is "one hundred sixty-four million, three hundred thirty thousand, two hundred seventy".

Divisors: 1 2 5 10 13 26 65 79 130 158 395 790 1027 2054 5135 10270 16001 32002 80005 160010 208013 416026 1040065 1264079 2080130 2528158 6320395 12640790 16433027 32866054 82165135 164330270