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14780228 = 223695057
BaseRepresentation
bin111000011000…
…011101000100
31000210220122212
4320120131010
512240431403
61244442552
7236426021
oct70303504
930726585
1014780228
118385671
124b49458
1330a65c8
141d6a548
15146e4d8
hexe18744

14780228 has 6 divisors (see below), whose sum is σ = 25865406. Its totient is φ = 7390112.

The previous prime is 14780221. The next prime is 14780243. The reversal of 14780228 is 82208741.

It can be written as a sum of positive squares in only one way, i.e., 14273284 + 506944 = 3778^2 + 712^2 .

It is a junction number, because it is equal to n+sod(n) for n = 14780194 and 14780203.

It is not an unprimeable number, because it can be changed into a prime (14780221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1847525 + ... + 1847532.

It is an arithmetic number, because the mean of its divisors is an integer number (4310901).

Almost surely, 214780228 is an apocalyptic number.

It is an amenable number.

14780228 is a deficient number, since it is larger than the sum of its proper divisors (11085178).

14780228 is a wasteful number, since it uses less digits than its factorization.

14780228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3695061 (or 3695059 counting only the distinct ones).

The product of its (nonzero) digits is 7168, while the sum is 32.

The square root of 14780228 is about 3844.5062101654. The cubic root of 14780228 is about 245.4108226066.

Adding to 14780228 its reverse (82208741), we get a palindrome (96988969).

The spelling of 14780228 in words is "fourteen million, seven hundred eighty thousand, two hundred twenty-eight".

Divisors: 1 2 4 3695057 7390114 14780228