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164564341 = 1108714843
BaseRepresentation
bin10011100111100…
…00110101110101
3102110122201211121
421303300311311
5314112024331
624155103541
74035526264
oct1163606565
9373581747
10164564341
118498a697
1247141bb1
132812b166
1417bda5db
15e6a9c11
hex9cf0d75

164564341 has 4 divisors (see below), whose sum is σ = 164590272. Its totient is φ = 164538412.

The previous prime is 164564321. The next prime is 164564359. The reversal of 164564341 is 143465461.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 164564341 - 221 = 162467189 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 164564297 and 164564306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164564321) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3666 + ... + 18508.

It is an arithmetic number, because the mean of its divisors is an integer number (41147568).

Almost surely, 2164564341 is an apocalyptic number.

It is an amenable number.

164564341 is a deficient number, since it is larger than the sum of its proper divisors (25931).

164564341 is a wasteful number, since it uses less digits than its factorization.

164564341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25930.

The product of its digits is 34560, while the sum is 34.

The square root of 164564341 is about 12828.2633664889. The cubic root of 164564341 is about 547.9975014094.

The spelling of 164564341 in words is "one hundred sixty-four million, five hundred sixty-four thousand, three hundred forty-one".

Divisors: 1 11087 14843 164564341