Search a number
-
+
3120161 = 111914929
BaseRepresentation
bin1011111001110000100001
312212112001112
423321300201
51244321121
6150513105
735343452
oct13716041
95775045
103120161
111841250
121065795
13853265
145b3129
1541975b
hex2f9c21

3120161 has 8 divisors (see below), whose sum is σ = 3583200. Its totient is φ = 2687040.

The previous prime is 3120137. The next prime is 3120217. The reversal of 3120161 is 1610213.

3120161 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-3120161 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3120461) 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, 7256 + ... + 7673.

It is an arithmetic number, because the mean of its divisors is an integer number (447900).

Almost surely, 23120161 is an apocalyptic number.

It is an amenable number.

3120161 is a deficient number, since it is larger than the sum of its proper divisors (463039).

3120161 is a wasteful number, since it uses less digits than its factorization.

3120161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14959.

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 3120161 is about 1766.3977468283. The cubic root of 3120161 is about 146.1253848763.

Adding to 3120161 its reverse (1610213), we get a palindrome (4730374).

The spelling of 3120161 in words is "three million, one hundred twenty thousand, one hundred sixty-one".

Divisors: 1 11 19 209 14929 164219 283651 3120161