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BaseRepresentation
bin111001101001…
…1100001001001
32002212122222012
41303103201021
530214222010
62555505305
7514630631
oct163234111
962778865
1030226505
1116075691
12a158235
13635410a
14402b6c1
1529c1005
hex1cd3849

30226505 has 4 divisors (see below), whose sum is σ = 36271812. Its totient is φ = 24181200.

The previous prime is 30226501. The next prime is 30226507. The reversal of 30226505 is 50562203.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 13053769 + 17172736 = 3613^2 + 4144^2 .

It is not a de Polignac number, because 30226505 - 22 = 30226501 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30226501) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3022646 + ... + 3022655.

It is an arithmetic number, because the mean of its divisors is an integer number (9067953).

Almost surely, 230226505 is an apocalyptic number.

It is an amenable number.

30226505 is a deficient number, since it is larger than the sum of its proper divisors (6045307).

30226505 is an equidigital number, since it uses as much as digits as its factorization.

30226505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6045306.

The product of its (nonzero) digits is 1800, while the sum is 23.

The square root of 30226505 is about 5497.8636760109. The cubic root of 30226505 is about 311.5032948319.

Adding to 30226505 its reverse (50562203), we get a palindrome (80788708).

The spelling of 30226505 in words is "thirty million, two hundred twenty-six thousand, five hundred five".

Divisors: 1 5 6045301 30226505