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164267071 = 197833843
BaseRepresentation
bin10011100101010…
…00010000111111
3102110002122001121
421302220100333
5314023021241
624144451411
74033150513
oct1162502077
9373078047
10164267071
11847a7311
1247019b67
1328055a67
1417b60143
15e64bad1
hex9ca843f

164267071 has 4 divisors (see below), whose sum is σ = 165101112. Its totient is φ = 163433032.

The previous prime is 164267069. The next prime is 164267101. The reversal of 164267071 is 170762461.

It is a happy number.

164267071 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 170762461 = 592894279.

It is a cyclic number.

It is not a de Polignac number, because 164267071 - 21 = 164267069 is a prime.

It is a super-2 number, since 2×1642670712 = 53967341229838082, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164267041) 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, 416725 + ... + 417118.

It is an arithmetic number, because the mean of its divisors is an integer number (41275278).

Almost surely, 2164267071 is an apocalyptic number.

164267071 is a deficient number, since it is larger than the sum of its proper divisors (834041).

164267071 is an equidigital number, since it uses as much as digits as its factorization.

164267071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 834040.

The product of its (nonzero) digits is 14112, while the sum is 34.

The square root of 164267071 is about 12816.6716038135. The cubic root of 164267071 is about 547.6673338802.

The spelling of 164267071 in words is "one hundred sixty-four million, two hundred sixty-seven thousand, seventy-one".

Divisors: 1 197 833843 164267071