Search a number
-
+
162528043 = 792057317
BaseRepresentation
bin10011010111111…
…11101100101011
3102022211021120011
421223333230223
5313101344133
624043312351
74012315456
oct1153775453
9368737504
10162528043
11838197a7
124651b6b7
1327897352
141782a49d
15e4066cd
hex9affb2b

162528043 has 4 divisors (see below), whose sum is σ = 164585440. Its totient is φ = 160470648.

The previous prime is 162528029. The next prime is 162528077. The reversal of 162528043 is 340825261.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 340825261 = 748689323.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-162528043 is a prime.

It is a super-2 number, since 2×1625280432 = 52830729522819698, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 162527996 and 162528014.

It is not an unprimeable number, because it can be changed into a prime (162528083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1028580 + ... + 1028737.

It is an arithmetic number, because the mean of its divisors is an integer number (41146360).

Almost surely, 2162528043 is an apocalyptic number.

162528043 is a deficient number, since it is larger than the sum of its proper divisors (2057397).

162528043 is an equidigital number, since it uses as much as digits as its factorization.

162528043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2057396.

The product of its (nonzero) digits is 11520, while the sum is 31.

The square root of 162528043 is about 12748.6486734869. The cubic root of 162528043 is about 545.7278304231.

The spelling of 162528043 in words is "one hundred sixty-two million, five hundred twenty-eight thousand, forty-three".

Divisors: 1 79 2057317 162528043