Search a number
-
+
226120187 = 436538053
BaseRepresentation
bin11010111101001…
…01000111111011
3120202111002120202
431132211013323
5430341321222
634234312415
75413663346
oct1536450773
9522432522
10226120187
11106703497
126388870b
1337b01337
142206145d
1514cb8892
hexd7a51fb

226120187 has 8 divisors (see below), whose sum is σ = 231761904. Its totient is φ = 220495968.

The previous prime is 226120157. The next prime is 226120217. The reversal of 226120187 is 781021622.

It is an interprime number because it is at equal distance from previous prime (226120157) and next prime (226120217).

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 226120187 - 214 = 226103803 is a prime.

It is a super-2 number, since 2×2261201872 = 102260677937829938, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (226120157) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24053 + ... + 32105.

It is an arithmetic number, because the mean of its divisors is an integer number (28970238).

Almost surely, 2226120187 is an apocalyptic number.

226120187 is a deficient number, since it is larger than the sum of its proper divisors (5641717).

226120187 is an equidigital number, since it uses as much as digits as its factorization.

226120187 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8749.

The product of its (nonzero) digits is 2688, while the sum is 29.

The square root of 226120187 is about 15037.2932072232. The cubic root of 226120187 is about 609.2278925970.

The spelling of 226120187 in words is "two hundred twenty-six million, one hundred twenty thousand, one hundred eighty-seven".

Divisors: 1 43 653 8053 28079 346279 5258609 226120187