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4077225 = 325218121
BaseRepresentation
bin1111100011011010101001
321200010220100
433203122221
52020432400
6223220013
746440645
oct17433251
97603810
104077225
112335309
121447609
13ac9a79
14781c25
15558100
hex3e36a9

4077225 has 18 divisors (see below), whose sum is σ = 7303166. Its totient is φ = 2174400.

The previous prime is 4077223. The next prime is 4077239. The reversal of 4077225 is 5227704.

It can be written as a sum of positive squares in 3 ways, for example, as 121104 + 3956121 = 348^2 + 1989^2 .

It is not a de Polignac number, because 4077225 - 21 = 4077223 is a prime.

It is a super-3 number, since 3×40772253 (a number of 21 digits) contains 333 as substring.

It is a Duffinian number.

4077225 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (4077221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 8836 + ... + 9285.

Almost surely, 24077225 is an apocalyptic number.

4077225 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

4077225 is a deficient number, since it is larger than the sum of its proper divisors (3225941).

4077225 is a wasteful number, since it uses less digits than its factorization.

4077225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18137 (or 18129 counting only the distinct ones).

The product of its (nonzero) digits is 3920, while the sum is 27.

The square root of 4077225 is about 2019.2139559740. The cubic root of 4077225 is about 159.7551593770.

The spelling of 4077225 in words is "four million, seventy-seven thousand, two hundred twenty-five".

Divisors: 1 3 5 9 15 25 45 75 225 18121 54363 90605 163089 271815 453025 815445 1359075 4077225