Search a number
-
+
6031220 = 2251323197
BaseRepresentation
bin10111000000011101110100
3102100102021112
4113000131310
53020444340
6333134152
7102156506
oct27003564
912312245
106031220
11344a388
12202a358
131332290
14b2dd76
157e2065
hex5c0774

6031220 has 24 divisors (see below), whose sum is σ = 13640424. Its totient is φ = 2226816.

The previous prime is 6031219. The next prime is 6031229. The reversal of 6031220 is 221306.

It can be written as a sum of positive squares in 4 ways, for example, as 252004 + 5779216 = 502^2 + 2404^2 .

It is a super-2 number, since 2×60312202 = 72751229376800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 6031195 and 6031204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6031229) 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, 11339 + ... + 11858.

It is an arithmetic number, because the mean of its divisors is an integer number (568351).

Almost surely, 26031220 is an apocalyptic number.

It is an amenable number.

6031220 is an abundant number, since it is smaller than the sum of its proper divisors (7609204).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6031220 is a wasteful number, since it uses less digits than its factorization.

6031220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23219 (or 23217 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 6031220 is about 2455.8542302018. The cubic root of 6031220 is about 182.0266836857.

Adding to 6031220 its reverse (221306), we get a palindrome (6252526).

The spelling of 6031220 in words is "six million, thirty-one thousand, two hundred twenty".

Divisors: 1 2 4 5 10 13 20 26 52 65 130 260 23197 46394 92788 115985 231970 301561 463940 603122 1206244 1507805 3015610 6031220