[go: up one dir, main page]

Search a number
-
+
2855255 = 513231109
BaseRepresentation
bin1010111001000101010111
312101001200012
422321011113
51212332010
6141110435
733161234
oct12710527
95331605
102855255
111680217
12b5841b
1378c800
1454478b
153b6005
hex2b9157

2855255 has 24 divisors (see below), whose sum is σ = 3864960. Its totient is φ = 2021760.

The previous prime is 2855239. The next prime is 2855257. The reversal of 2855255 is 5525582.

It is not a de Polignac number, because 2855255 - 24 = 2855239 is a prime.

It is a super-2 number, since 2×28552552 = 16304962230050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2855257) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 26141 + ... + 26249.

It is an arithmetic number, because the mean of its divisors is an integer number (161040).

22855255 is an apocalyptic number.

2855255 is a deficient number, since it is larger than the sum of its proper divisors (1009705).

2855255 is a wasteful number, since it uses less digits than its factorization.

2855255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171 (or 158 counting only the distinct ones).

The product of its digits is 20000, while the sum is 32.

The square root of 2855255 is about 1689.7499815061. The cubic root of 2855255 is about 141.8670812014.

The spelling of 2855255 in words is "two million, eight hundred fifty-five thousand, two hundred fifty-five".

Divisors: 1 5 13 31 65 109 155 169 403 545 845 1417 2015 3379 5239 7085 16895 18421 26195 43927 92105 219635 571051 2855255