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164293679 = 1126122259
BaseRepresentation
bin10011100101011…
…10110000101111
3102110010222120002
421302232300233
5314024344204
624145214515
74033321214
oct1162566057
9373128502
10164293679
1184815300
124703143b
1328064bc4
1417b69b0b
15e65491e
hex9caec2f

164293679 has 12 divisors (see below), whose sum is σ = 183555960. Its totient is φ = 146902800.

The previous prime is 164293667. The next prime is 164293681. The reversal of 164293679 is 976392461.

It is a happy number.

It is not a de Polignac number, because 164293679 - 24 = 164293663 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164293279) 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, 3749 + ... + 18510.

It is an arithmetic number, because the mean of its divisors is an integer number (15296330).

Almost surely, 2164293679 is an apocalyptic number.

164293679 is a deficient number, since it is larger than the sum of its proper divisors (19262281).

164293679 is a wasteful number, since it uses less digits than its factorization.

164293679 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22342 (or 22331 counting only the distinct ones).

The product of its digits is 489888, while the sum is 47.

The square root of 164293679 is about 12817.7095847893. The cubic root of 164293679 is about 547.6969026907.

The spelling of 164293679 in words is "one hundred sixty-four million, two hundred ninety-three thousand, six hundred seventy-nine".

Divisors: 1 11 61 121 671 7381 22259 244849 1357799 2693339 14935789 164293679