Search a number
-
+
226140377 = 773292549
BaseRepresentation
bin11010111101010…
…10000011011001
3120202112010021112
431132222003121
5430342443002
634234550105
75414106251
oct1536520331
9522463245
10226140377
11106717681
1263898335
1337b0a598
1422068961
1514cbe852
hexd7aa0d9

226140377 has 4 divisors (see below), whose sum is σ = 226433700. Its totient is φ = 225847056.

The previous prime is 226140373. The next prime is 226140403. The reversal of 226140377 is 773041622.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 773041622 = 2386520811.

It can be written as a sum of positive squares in 2 ways, for example, as 51609856 + 174530521 = 7184^2 + 13211^2 .

It is a cyclic number.

It is not a de Polignac number, because 226140377 - 22 = 226140373 is a prime.

It is a super-2 number, since 2×2261403772 = 102278940219404258, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (226140373) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 145502 + ... + 147047.

It is an arithmetic number, because the mean of its divisors is an integer number (56608425).

Almost surely, 2226140377 is an apocalyptic number.

It is an amenable number.

226140377 is a deficient number, since it is larger than the sum of its proper divisors (293323).

226140377 is an equidigital number, since it uses as much as digits as its factorization.

226140377 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 293322.

The product of its (nonzero) digits is 14112, while the sum is 32.

The square root of 226140377 is about 15037.9645231660. The cubic root of 226140377 is about 609.2460244664.

Adding to 226140377 its reverse (773041622), we get a palindrome (999181999).

The spelling of 226140377 in words is "two hundred twenty-six million, one hundred forty thousand, three hundred seventy-seven".

Divisors: 1 773 292549 226140377