Search a number
-
+
2855171 = 111132297
BaseRepresentation
bin1010111001000100000011
312101001120002
422321010003
51212331141
6141110215
733161054
oct12710403
95331502
102855171
111680150
12b5836b
1378c767
1454472b
153b5e9b
hex2b9103

2855171 has 8 divisors (see below), whose sum is σ = 3143664. Its totient is φ = 2571520.

The previous prime is 2855161. The next prime is 2855183. The reversal of 2855171 is 1715582.

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 2855171 - 26 = 2855107 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2855101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 95 + ... + 2391.

It is an arithmetic number, because the mean of its divisors is an integer number (392958).

22855171 is an apocalyptic number.

2855171 is a deficient number, since it is larger than the sum of its proper divisors (288493).

2855171 is a wasteful number, since it uses less digits than its factorization.

2855171 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2421.

The product of its digits is 2800, while the sum is 29.

The square root of 2855171 is about 1689.7251255752. The cubic root of 2855171 is about 141.8656899711.

The spelling of 2855171 in words is "two million, eight hundred fifty-five thousand, one hundred seventy-one".

Divisors: 1 11 113 1243 2297 25267 259561 2855171