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226553125 = 5572497
BaseRepresentation
bin11011000000011…
…10110100100101
3120210022002110111
431200032310211
5430444200000
634251453021
75420445511
oct1540166445
9523262414
10226553125
11106979797
1263a57171
1337c23406
1422135141
1514d51cba
hexd80ed25

226553125 has 12 divisors (see below), whose sum is σ = 283177188. Its totient is φ = 181240000.

The previous prime is 226553087. The next prime is 226553143. The reversal of 226553125 is 521355622.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 200675556 + 25877569 = 14166^2 + 5087^2 .

It is not a de Polignac number, because 226553125 - 211 = 226551077 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 33124 + ... + 39373.

It is an arithmetic number, because the mean of its divisors is an integer number (23598099).

Almost surely, 2226553125 is an apocalyptic number.

226553125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

226553125 is a deficient number, since it is larger than the sum of its proper divisors (56624063).

226553125 is an frugal number, since it uses more digits than its factorization.

226553125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72522 (or 72502 counting only the distinct ones).

The product of its digits is 18000, while the sum is 31.

The square root of 226553125 is about 15051.6817997193. The cubic root of 226553125 is about 609.6164613993.

The spelling of 226553125 in words is "two hundred twenty-six million, five hundred fifty-three thousand, one hundred twenty-five".

Divisors: 1 5 25 125 625 3125 72497 362485 1812425 9062125 45310625 226553125