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6220460 = 2253179127
BaseRepresentation
bin10111101110101010101100
3102201000212102
4113232222230
53043023320
6341154232
7103605311
oct27565254
912630772
106220460
113569584
1220bb978
13139a45c
14b7cd08
1582d175
hex5eeaac

6220460 has 48 divisors (see below), whose sum is σ = 13762560. Its totient is φ = 2358720.

The previous prime is 6220457. The next prime is 6220463. The reversal of 6220460 is 640226.

It is an interprime number because it is at equal distance from previous prime (6220457) and next prime (6220463).

It is a super-2 number, since 2×62204602 = 77388245223200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (6220463) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48917 + ... + 49043.

It is an arithmetic number, because the mean of its divisors is an integer number (286720).

Almost surely, 26220460 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6220460, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6881280).

6220460 is an abundant number, since it is smaller than the sum of its proper divisors (7542100).

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

6220460 is a wasteful number, since it uses less digits than its factorization.

6220460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 246 (or 244 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 6220460 is about 2494.0850025611. The cubic root of 6220460 is about 183.9109130806.

Adding to 6220460 its reverse (640226), we get a palindrome (6860686).

The spelling of 6220460 in words is "six million, two hundred twenty thousand, four hundred sixty".

Divisors: 1 2 4 5 10 20 31 62 79 124 127 155 158 254 310 316 395 508 620 635 790 1270 1580 2449 2540 3937 4898 7874 9796 10033 12245 15748 19685 20066 24490 39370 40132 48980 50165 78740 100330 200660 311023 622046 1244092 1555115 3110230 6220460