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4428800225 = 52177152009
BaseRepresentation
bin1000001111111101…
…00010000011100001
3102102122120100202222
410013332202003201
533032233101400
62011244320425
7214515116003
oct40776420341
912378510688
104428800225
111972a40183
12a37243115
13557707b65
14300294373
151adc27185
hex107fa20e1

4428800225 has 6 divisors (see below), whose sum is σ = 5491712310. Its totient is φ = 3543040160.

The previous prime is 4428800209. The next prime is 4428800239. The reversal of 4428800225 is 5220088244.

It can be written as a sum of positive squares in 3 ways, for example, as 1760929 + 4427039296 = 1327^2 + 66536^2 .

It is not a de Polignac number, because 4428800225 - 24 = 4428800209 is a prime.

It is a super-2 number, since 2×44288002252 = 39228542865920101250, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 88575980 + ... + 88576029.

It is an arithmetic number, because the mean of its divisors is an integer number (915285385).

Almost surely, 24428800225 is an apocalyptic number.

It is an amenable number.

4428800225 is a deficient number, since it is larger than the sum of its proper divisors (1062912085).

4428800225 is a wasteful number, since it uses less digits than its factorization.

4428800225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177152019 (or 177152014 counting only the distinct ones).

The product of its (nonzero) digits is 40960, while the sum is 35.

The square root of 4428800225 is about 66549.2315883512. The cubic root of 4428800225 is about 1642.2100168634.

Adding to 4428800225 its reverse (5220088244), we get a palindrome (9648888469).

The spelling of 4428800225 in words is "four billion, four hundred twenty-eight million, eight hundred thousand, two hundred twenty-five".

Divisors: 1 5 25 177152009 885760045 4428800225