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3117161 = 61137373
BaseRepresentation
bin1011111001000001101001
312212100221102
423321001221
51244222121
6150451145
735331635
oct13710151
95770842
103117161
111839a73
121063ab5
13851a98
145b1dc5
1541890b
hex2f9069

3117161 has 8 divisors (see below), whose sum is σ = 3199944. Its totient is φ = 3035520.

The previous prime is 3117151. The next prime is 3117187. The reversal of 3117161 is 1617113.

3117161 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 75625 + 3041536 = 275^2 + 1744^2 .

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 3117161 - 26 = 3117097 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3117151) 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, 8171 + ... + 8543.

It is an arithmetic number, because the mean of its divisors is an integer number (399993).

Almost surely, 23117161 is an apocalyptic number.

It is an amenable number.

3117161 is a deficient number, since it is larger than the sum of its proper divisors (82783).

3117161 is a wasteful number, since it uses less digits than its factorization.

3117161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 571.

The product of its digits is 126, while the sum is 20.

The square root of 3117161 is about 1765.5483567436. The cubic root of 3117161 is about 146.0785372160.

The spelling of 3117161 in words is "three million, one hundred seventeen thousand, one hundred sixty-one".

Divisors: 1 61 137 373 8357 22753 51101 3117161