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164479071 = 3113547887
BaseRepresentation
bin10011100110111…
…00000001011111
3102110111101212110
421303130001133
5314101312241
624153205103
74035022551
oct1163340137
9373441773
10164479071
1184931619
1247100793
13280cb3c3
1417bb74d1
15e68e816
hex9cdc05f

164479071 has 16 divisors (see below), whose sum is σ = 221900544. Its totient is φ = 108361344.

The previous prime is 164479069. The next prime is 164479099. The reversal of 164479071 is 170974461.

It is not a de Polignac number, because 164479071 - 21 = 164479069 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164479061) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 184990 + ... + 185876.

It is an arithmetic number, because the mean of its divisors is an integer number (13868784).

Almost surely, 2164479071 is an apocalyptic number.

164479071 is a deficient number, since it is larger than the sum of its proper divisors (57421473).

164479071 is a wasteful number, since it uses less digits than its factorization.

164479071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1550.

The product of its (nonzero) digits is 42336, while the sum is 39.

The square root of 164479071 is about 12824.9394150616. The cubic root of 164479071 is about 547.9028356599.

The spelling of 164479071 in words is "one hundred sixty-four million, four hundred seventy-nine thousand, seventy-one".

Divisors: 1 3 113 339 547 887 1641 2661 61811 100231 185433 300693 485189 1455567 54826357 164479071