Search a number
-
+
147984161 = 1319957203
BaseRepresentation
bin10001101001000…
…00111100100001
3101022110101002212
420310200330201
5300340443121
622403451505
73444562463
oct1064407441
9338411085
10147984161
1176595766
1241686b95
13248744c0
1415922133
15ced225b
hex8d20f21

147984161 has 8 divisors (see below), whose sum is σ = 160171200. Its totient is φ = 135911952.

The previous prime is 147984149. The next prime is 147984169. The reversal of 147984161 is 161489741.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 147984161 - 26 = 147984097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (147984169) 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 7 ways as a sum of consecutive naturals, for example, 26015 + ... + 31188.

It is an arithmetic number, because the mean of its divisors is an integer number (20021400).

Almost surely, 2147984161 is an apocalyptic number.

It is an amenable number.

147984161 is a deficient number, since it is larger than the sum of its proper divisors (12187039).

147984161 is a wasteful number, since it uses less digits than its factorization.

147984161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57415.

The product of its digits is 48384, while the sum is 41.

The square root of 147984161 is about 12164.8740642885. The cubic root of 147984161 is about 528.9383768804.

The spelling of 147984161 in words is "one hundred forty-seven million, nine hundred eighty-four thousand, one hundred sixty-one".

Divisors: 1 13 199 2587 57203 743639 11383397 147984161