Search a number
-
+
161047148 = 22113356299
BaseRepresentation
bin10011001100101…
…10001001101100
3102020001001011012
421212112021230
5312212002043
623551444352
73663610133
oct1146261154
9366031135
10161047148
11829a8119
1245b266b8
1327499292
141756291a
15e212a18
hex999626c

161047148 has 12 divisors (see below), whose sum is σ = 284327400. Its totient is φ = 79810752.

The previous prime is 161047129. The next prime is 161047151. The reversal of 161047148 is 841740161.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 177698 + ... + 178601.

It is an arithmetic number, because the mean of its divisors is an integer number (23693950).

Almost surely, 2161047148 is an apocalyptic number.

It is an amenable number.

161047148 is a deficient number, since it is larger than the sum of its proper divisors (123280252).

161047148 is a wasteful number, since it uses less digits than its factorization.

161047148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 356416 (or 356414 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 32.

The square root of 161047148 is about 12690.4352959227. The cubic root of 161047148 is about 544.0652810571.

The spelling of 161047148 in words is "one hundred sixty-one million, forty-seven thousand, one hundred forty-eight".

Divisors: 1 2 4 113 226 452 356299 712598 1425196 40261787 80523574 161047148