Search a number
-
+
226957 = 733109
BaseRepresentation
bin110111011010001101
3102112022211
4313122031
524230312
64510421
71633453
oct673215
9375284
10226957
11145575
12ab411
137c3c3
145c9d3
15473a7
hex3768d

226957 has 4 divisors (see below), whose sum is σ = 230140. Its totient is φ = 223776.

The previous prime is 226943. The next prime is 226991. The reversal of 226957 is 759622.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 759622 = 2379811.

It can be written as a sum of positive squares in 2 ways, for example, as 81796 + 145161 = 286^2 + 381^2 .

It is a cyclic number.

It is not a de Polignac number, because 226957 - 211 = 224909 is a prime.

It is a d-powerful number, because it can be written as 23 + 217 + 93 + 63 + 57 + 75 .

It is a Duffinian number.

226957 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (226907) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1482 + ... + 1627.

It is an arithmetic number, because the mean of its divisors is an integer number (57535).

2226957 is an apocalyptic number.

It is an amenable number.

226957 is a deficient number, since it is larger than the sum of its proper divisors (3183).

226957 is an equidigital number, since it uses as much as digits as its factorization.

226957 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3182.

The product of its digits is 7560, while the sum is 31.

The square root of 226957 is about 476.4000419815. The cubic root of 226957 is about 60.9978499645.

The spelling of 226957 in words is "two hundred twenty-six thousand, nine hundred fifty-seven".

Divisors: 1 73 3109 226957