Search a number
-
+
161008076 = 2240252019
BaseRepresentation
bin10011001100011…
…00100111001100
3102012222001120002
421212030213030
5312204224301
623550543432
73663355205
oct1146144714
9365861502
10161008076
1182980829
1245b07b78
1327484568
14175525ac
15e20616b
hex998c9cc

161008076 has 6 divisors (see below), whose sum is σ = 281764140. Its totient is φ = 80504036.

The previous prime is 161008063. The next prime is 161008093. The reversal of 161008076 is 670800161.

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 as a sum of consecutive naturals, namely, 20126006 + ... + 20126013.

It is an arithmetic number, because the mean of its divisors is an integer number (46960690).

Almost surely, 2161008076 is an apocalyptic number.

It is an amenable number.

161008076 is a deficient number, since it is larger than the sum of its proper divisors (120756064).

161008076 is a wasteful number, since it uses less digits than its factorization.

161008076 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40252023 (or 40252021 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 29.

The square root of 161008076 is about 12688.8957754408. The cubic root of 161008076 is about 544.0212785434.

The spelling of 161008076 in words is "one hundred sixty-one million, eight thousand, seventy-six".

Divisors: 1 2 4 40252019 80504038 161008076