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162428811 = 354142937
BaseRepresentation
bin10011010111001…
…11011110001011
3102022122020102220
421223213132023
5313040210221
624041225123
74011423246
oct1153473613
9368566386
10162428811
1183761196
12464921a3
132786112c
141780225d
15e3d70c6
hex9ae778b

162428811 has 4 divisors (see below), whose sum is σ = 216571752. Its totient is φ = 108285872.

The previous prime is 162428803. The next prime is 162428821. The reversal of 162428811 is 118824261.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 118824261 = 339608087.

It is a cyclic number.

It is not a de Polignac number, because 162428811 - 23 = 162428803 is a prime.

It is not an unprimeable number, because it can be changed into a prime (162428801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27071466 + ... + 27071471.

It is an arithmetic number, because the mean of its divisors is an integer number (54142938).

Almost surely, 2162428811 is an apocalyptic number.

162428811 is a deficient number, since it is larger than the sum of its proper divisors (54142941).

162428811 is an equidigital number, since it uses as much as digits as its factorization.

162428811 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54142940.

The product of its digits is 6144, while the sum is 33.

The square root of 162428811 is about 12744.7562157932. The cubic root of 162428811 is about 545.6167425393.

The spelling of 162428811 in words is "one hundred sixty-two million, four hundred twenty-eight thousand, eight hundred eleven".

Divisors: 1 3 54142937 162428811