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164348289 = 3272608703
BaseRepresentation
bin10011100101111…
…00000110000001
3102110020202110200
421302330012001
5314033121124
624150315413
74033636350
oct1162740601
9373222420
10164348289
1184852336
1247058b69
1328083a11
1417b81997
15e665bc9
hex9cbc181

164348289 has 12 divisors (see below), whose sum is σ = 271305216. Its totient is φ = 93913272.

The previous prime is 164348281. The next prime is 164348291. The reversal of 164348289 is 982843461.

It is a happy number.

164348289 is a `hidden beast` number, since 164 + 3 + 482 + 8 + 9 = 666.

It is not a de Polignac number, because 164348289 - 23 = 164348281 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (164348281) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1304289 + ... + 1304414.

It is an arithmetic number, because the mean of its divisors is an integer number (22608768).

Almost surely, 2164348289 is an apocalyptic number.

It is an amenable number.

164348289 is a deficient number, since it is larger than the sum of its proper divisors (106956927).

164348289 is a wasteful number, since it uses less digits than its factorization.

164348289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2608716 (or 2608713 counting only the distinct ones).

The product of its digits is 331776, while the sum is 45.

The square root of 164348289 is about 12819.8396635839. The cubic root of 164348289 is about 547.7575794307.

The spelling of 164348289 in words is "one hundred sixty-four million, three hundred forty-eight thousand, two hundred eighty-nine".

Divisors: 1 3 7 9 21 63 2608703 7826109 18260921 23478327 54782763 164348289