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162106401 = 354035467
BaseRepresentation
bin10011010100110…
…00110000100001
3102022000212011210
421222120300201
5312444401101
624030300333
74005611262
oct1152306041
9368025153
10162106401
1183560a36
12463576a9
132777a462
141775a969
15e3717d6
hex9a98c21

162106401 has 4 divisors (see below), whose sum is σ = 216141872. Its totient is φ = 108070932.

The previous prime is 162106397. The next prime is 162106403. The reversal of 162106401 is 104601261.

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.

It is not a de Polignac number, because 162106401 - 22 = 162106397 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (162106403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27017731 + ... + 27017736.

It is an arithmetic number, because the mean of its divisors is an integer number (54035468).

Almost surely, 2162106401 is an apocalyptic number.

It is an amenable number.

162106401 is a deficient number, since it is larger than the sum of its proper divisors (54035471).

162106401 is an equidigital number, since it uses as much as digits as its factorization.

162106401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54035470.

The product of its (nonzero) digits is 288, while the sum is 21.

The square root of 162106401 is about 12732.1012012943. The cubic root of 162106401 is about 545.2554995376.

Adding to 162106401 its reverse (104601261), we get a palindrome (266707662).

The spelling of 162106401 in words is "one hundred sixty-two million, one hundred six thousand, four hundred one".

Divisors: 1 3 54035467 162106401