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164479117 = 11971391109
BaseRepresentation
bin10011100110111…
…00000010001101
3102110111101221011
421303130002031
5314101312432
624153205221
74035022645
oct1163340215
9373441834
10164479117
1184931660
1247100811
13280cb42a
1417bb7525
15e68e847
hex9cdc08d

164479117 has 16 divisors (see below), whose sum is σ = 182750400. Its totient is φ = 146787840.

The previous prime is 164479111. The next prime is 164479121. The reversal of 164479117 is 711974461.

It is a cyclic number.

It is not a de Polignac number, because 164479117 - 23 = 164479109 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 164479117.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164479111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 147759 + ... + 148867.

It is an arithmetic number, because the mean of its divisors is an integer number (11421900).

Almost surely, 2164479117 is an apocalyptic number.

It is an amenable number.

164479117 is a deficient number, since it is larger than the sum of its proper divisors (18271283).

164479117 is a wasteful number, since it uses less digits than its factorization.

164479117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1356.

The product of its digits is 42336, while the sum is 40.

The square root of 164479117 is about 12824.9412084422. The cubic root of 164479117 is about 547.9028867374.

The spelling of 164479117 in words is "one hundred sixty-four million, four hundred seventy-nine thousand, one hundred seventeen".

Divisors: 1 11 97 139 1067 1109 1529 12199 13483 107573 148313 154151 1183303 1695661 14952647 164479117