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164543041 = 1379715881
BaseRepresentation
bin10011100111010…
…11101001000001
3102110121122121201
421303223221001
5314110334131
624154421201
74035410215
oct1163535101
9373548551
10164543041
1184975693
1247131801
1328121560
1417bd2945
15e6a3761
hex9ceba41

164543041 has 8 divisors (see below), whose sum is σ = 177433704. Its totient is φ = 151685760.

The previous prime is 164543023. The next prime is 164543077. The reversal of 164543041 is 140345461.

164543041 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 31809600 + 132733441 = 5640^2 + 11521^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-164543041 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (164543011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2421 + ... + 18301.

It is an arithmetic number, because the mean of its divisors is an integer number (22179213).

Almost surely, 2164543041 is an apocalyptic number.

It is an amenable number.

164543041 is a deficient number, since it is larger than the sum of its proper divisors (12890663).

164543041 is a wasteful number, since it uses less digits than its factorization.

164543041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16691.

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 164543041 is about 12827.4331415135. The cubic root of 164543041 is about 547.9738574649.

The spelling of 164543041 in words is "one hundred sixty-four million, five hundred forty-three thousand, forty-one".

Divisors: 1 13 797 10361 15881 206453 12657157 164543041