Search a number
-
+
226604905 = 5187324197
BaseRepresentation
bin11011000000110…
…11011101101001
3120210101201111021
431200123131221
5431002324110
634252532441
75421052462
oct1540333551
9523351437
10226604905
11106a0468a
1263a81121
1337c40b57
1422149d69
1514d622da
hexd81b769

226604905 has 8 divisors (see below), whose sum is σ = 272082312. Its totient is φ = 181179648.

The previous prime is 226604891. The next prime is 226604929. The reversal of 226604905 is 509406622.

It can be written as a sum of positive squares in 4 ways, for example, as 3759721 + 222845184 = 1939^2 + 14928^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 226604905 - 217 = 226473833 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2734 + ... + 21463.

It is an arithmetic number, because the mean of its divisors is an integer number (34010289).

Almost surely, 2226604905 is an apocalyptic number.

It is an amenable number.

226604905 is a deficient number, since it is larger than the sum of its proper divisors (45477407).

226604905 is a wasteful number, since it uses less digits than its factorization.

226604905 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26075.

The product of its (nonzero) digits is 25920, while the sum is 34.

The square root of 226604905 is about 15053.4017750142. The cubic root of 226604905 is about 609.6629016265.

The spelling of 226604905 in words is "two hundred twenty-six million, six hundred four thousand, nine hundred five".

Divisors: 1 5 1873 9365 24197 120985 45320981 226604905