Search a number
-
+
226528031 = 383591457
BaseRepresentation
bin11011000000010…
…00101100011111
3120210020211001002
431200020230133
5430442344111
634251140515
75420312402
oct1540105437
9523224032
10226528031
11106961954
1263a4473b
1337c14b72
1422129d39
1514d4963b
hexd808b1f

226528031 has 4 divisors (see below), whose sum is σ = 227119872. Its totient is φ = 225936192.

The previous prime is 226528021. The next prime is 226528037. The reversal of 226528031 is 130825622.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 226528031 - 26 = 226527967 is a prime.

It is a super-2 number, since 2×2265280312 = 102629897657473922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 226527985 and 226528003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (226528037) 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 3 ways as a sum of consecutive naturals, for example, 295346 + ... + 296111.

It is an arithmetic number, because the mean of its divisors is an integer number (56779968).

Almost surely, 2226528031 is an apocalyptic number.

226528031 is a deficient number, since it is larger than the sum of its proper divisors (591841).

226528031 is an equidigital number, since it uses as much as digits as its factorization.

226528031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 591840.

The product of its (nonzero) digits is 5760, while the sum is 29.

The square root of 226528031 is about 15050.8481820793. The cubic root of 226528031 is about 609.5939526531.

The spelling of 226528031 in words is "two hundred twenty-six million, five hundred twenty-eight thousand, thirty-one".

Divisors: 1 383 591457 226528031