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164134151 = 208378797
BaseRepresentation
bin10011100100001…
…11110100000111
3102102211212201122
421302013310013
5314004243101
624141544155
74032055136
oct1162076407
9372755648
10164134151
1184716465
1246b7505b
132800a3cc
1417b2791d
15e62251b
hex9c87d07

164134151 has 4 divisors (see below), whose sum is σ = 164215032. Its totient is φ = 164053272.

The previous prime is 164134129. The next prime is 164134189. The reversal of 164134151 is 151431461.

164134151 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: 151431461 = 178907733.

It is a cyclic number.

It is not a de Polignac number, because 164134151 - 222 = 159939847 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 164134151.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164134651) 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, 37316 + ... + 41481.

It is an arithmetic number, because the mean of its divisors is an integer number (41053758).

Almost surely, 2164134151 is an apocalyptic number.

164134151 is a deficient number, since it is larger than the sum of its proper divisors (80881).

164134151 is an equidigital number, since it uses as much as digits as its factorization.

164134151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80880.

The product of its digits is 1440, while the sum is 26.

The square root of 164134151 is about 12811.4851207813. The cubic root of 164134151 is about 547.5195753445.

The spelling of 164134151 in words is "one hundred sixty-four million, one hundred thirty-four thousand, one hundred fifty-one".

Divisors: 1 2083 78797 164134151