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6220281 = 32390149
BaseRepresentation
bin10111101110100111111001
3102201000121210
4113232213321
53043022111
6341153333
7103604634
oct27564771
912630553
106220281
113569431
1220bb849
13139a352
14b7cc1b
1582d0a6
hex5ee9f9

6220281 has 8 divisors (see below), whose sum is σ = 8654400. Its totient is φ = 3966512.

The previous prime is 6220271. The next prime is 6220289. The reversal of 6220281 is 1820226.

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 6220281 - 26 = 6220217 is a prime.

It is a super-2 number, since 2×62202812 = 77383791437922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (6220289) 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, 45006 + ... + 45143.

It is an arithmetic number, because the mean of its divisors is an integer number (1081800).

Almost surely, 26220281 is an apocalyptic number.

It is an amenable number.

6220281 is a deficient number, since it is larger than the sum of its proper divisors (2434119).

6220281 is a wasteful number, since it uses less digits than its factorization.

6220281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90175.

The product of its (nonzero) digits is 384, while the sum is 21.

The square root of 6220281 is about 2494.0491173993. The cubic root of 6220281 is about 183.9091489898.

The spelling of 6220281 in words is "six million, two hundred twenty thousand, two hundred eighty-one".

Divisors: 1 3 23 69 90149 270447 2073427 6220281