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164612349 = 32111662751
BaseRepresentation
bin10011100111111…
…00100011111101
3102110202011200200
421303330203331
5314120043344
624200114113
74036116246
oct1163744375
9373664620
10164612349
1184a12770
1247165939
1328146c75
1417c0dccd
15e6b9069
hex9cfc8fd

164612349 has 12 divisors (see below), whose sum is σ = 259389312. Its totient is φ = 99765000.

The previous prime is 164612341. The next prime is 164612359. The reversal of 164612349 is 943216461.

164612349 is a `hidden beast` number, since 1 + 6 + 4 + 612 + 34 + 9 = 666.

It is not a de Polignac number, because 164612349 - 23 = 164612341 is a prime.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164612341) 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, 831277 + ... + 831474.

It is an arithmetic number, because the mean of its divisors is an integer number (21615776).

Almost surely, 2164612349 is an apocalyptic number.

It is an amenable number.

164612349 is a deficient number, since it is larger than the sum of its proper divisors (94776963).

164612349 is a wasteful number, since it uses less digits than its factorization.

164612349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1662768 (or 1662765 counting only the distinct ones).

The product of its digits is 31104, while the sum is 36.

The square root of 164612349 is about 12830.1344108314. The cubic root of 164612349 is about 548.0507849377.

The spelling of 164612349 in words is "one hundred sixty-four million, six hundred twelve thousand, three hundred forty-nine".

Divisors: 1 3 9 11 33 99 1662751 4988253 14964759 18290261 54870783 164612349