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164727914 = 2134123769
BaseRepresentation
bin10011101000110…
…00110001101010
3102110222001012212
421310120301222
5314132243124
624202405122
74040110211
oct1164306152
9373861185
10164727914
1184a9157a
12472007a2
1328187750
1417c40078
15e6dd40e
hex9d18c6a

164727914 has 24 divisors (see below), whose sum is σ = 272819820. Its totient is φ = 74154240.

The previous prime is 164727907. The next prime is 164727961. The reversal of 164727914 is 419727461.

It can be written as a sum of positive squares in 6 ways, for example, as 6848689 + 157879225 = 2617^2 + 12565^2 .

It is a Smith number, since the sum of its digits (41) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 41822 + ... + 45590.

Almost surely, 2164727914 is an apocalyptic number.

164727914 is a deficient number, since it is larger than the sum of its proper divisors (108091906).

164727914 is a wasteful number, since it uses less digits than its factorization.

164727914 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3866 (or 3825 counting only the distinct ones).

The product of its digits is 84672, while the sum is 41.

The square root of 164727914 is about 12834.6372757472. The cubic root of 164727914 is about 548.1790067342.

The spelling of 164727914 in words is "one hundred sixty-four million, seven hundred twenty-seven thousand, nine hundred fourteen".

Divisors: 1 2 13 26 41 82 533 1066 1681 3362 3769 7538 21853 43706 48997 97994 154529 309058 2008877 4017754 6335689 12671378 82363957 164727914