Search a number
-
+
160406641 = 433730387
BaseRepresentation
bin10011000111110…
…01110001110001
3102011211111112201
421203321301301
5312031003031
623530023201
73655301563
oct1143716161
9364744481
10160406641
11825aa97a
1245877b01
1327303895
1417437333
15e137d61
hex98f9c71

160406641 has 4 divisors (see below), whose sum is σ = 164137072. Its totient is φ = 156676212.

The previous prime is 160406639. The next prime is 160406651. The reversal of 160406641 is 146604061.

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, and also an emirpimes, since its reverse is a distinct semiprime: 146604061 = 495129611.

It is a cyclic number.

It is not a de Polignac number, because 160406641 - 21 = 160406639 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (160406621) 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, 1865151 + ... + 1865236.

It is an arithmetic number, because the mean of its divisors is an integer number (41034268).

Almost surely, 2160406641 is an apocalyptic number.

It is an amenable number.

160406641 is a deficient number, since it is larger than the sum of its proper divisors (3730431).

160406641 is an equidigital number, since it uses as much as digits as its factorization.

160406641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3730430.

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 160406641 is about 12665.1743375289. The cubic root of 160406641 is about 543.3430481993.

The spelling of 160406641 in words is "one hundred sixty million, four hundred six thousand, six hundred forty-one".

Divisors: 1 43 3730387 160406641