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164934688 = 255154209
BaseRepresentation
bin10011101010010…
…11010000100000
3102111100112212011
421311023100200
5314210402223
624211042304
74041631102
oct1165132040
9374315764
10164934688
1185112966
12472a0394
132822a8b9
1417c95572
15e72e80d
hex9d4b420

164934688 has 12 divisors (see below), whose sum is σ = 324715230. Its totient is φ = 82467328.

The previous prime is 164934683. The next prime is 164934709. The reversal of 164934688 is 886439461.

It can be written as a sum of positive squares in only one way, i.e., 135210384 + 29724304 = 11628^2 + 5452^2 .

It is not an unprimeable number, because it can be changed into a prime (164934683) by changing a digit.

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 as a sum of consecutive naturals, namely, 2577073 + ... + 2577136.

Almost surely, 2164934688 is an apocalyptic number.

It is an amenable number.

164934688 is a deficient number, since it is larger than the sum of its proper divisors (159780542).

164934688 is an equidigital number, since it uses as much as digits as its factorization.

164934688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5154219 (or 5154211 counting only the distinct ones).

The product of its digits is 995328, while the sum is 49.

The square root of 164934688 is about 12842.6900608868. The cubic root of 164934688 is about 548.4082772713.

The spelling of 164934688 in words is "one hundred sixty-four million, nine hundred thirty-four thousand, six hundred eighty-eight".

Divisors: 1 2 4 8 16 32 5154209 10308418 20616836 41233672 82467344 164934688