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162428801 is a prime number
BaseRepresentation
bin10011010111001…
…11011110000001
3102022122020102112
421223213132001
5313040210201
624041225105
74011423233
oct1153473601
9368566375
10162428801
1183761187
1246492195
1327861122
1417802253
15e3d70bb
hex9ae7781

162428801 has 2 divisors, whose sum is σ = 162428802. Its totient is φ = 162428800.

The previous prime is 162428767. The next prime is 162428803. The reversal of 162428801 is 108824261.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 125462401 + 36966400 = 11201^2 + 6080^2 .

It is a cyclic number.

It is not a de Polignac number, because 162428801 - 210 = 162427777 is a prime.

Together with 162428803, it forms a pair of twin primes.

It is a Chen prime.

It is equal to p9102938 and since 162428801 and 9102938 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (162428803) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81214400 + 81214401.

It is an arithmetic number, because the mean of its divisors is an integer number (81214401).

Almost surely, 2162428801 is an apocalyptic number.

It is an amenable number.

162428801 is a deficient number, since it is larger than the sum of its proper divisors (1).

162428801 is an equidigital number, since it uses as much as digits as its factorization.

162428801 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6144, while the sum is 32.

The square root of 162428801 is about 12744.7558234750. The cubic root of 162428801 is about 545.6167313423.

The spelling of 162428801 in words is "one hundred sixty-two million, four hundred twenty-eight thousand, eight hundred one".