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226145737 = 263385889
BaseRepresentation
bin11010111101010…
…11010111001001
3120202112101122001
431132223113021
5430343130422
634235031001
75414131006
oct1536532711
9522471561
10226145737
11106720704
126389b461
1337b0cb5c
142206a8ad
1514cc1227
hexd7ab5c9

226145737 has 4 divisors (see below), whose sum is σ = 226234260. Its totient is φ = 226057216.

The previous prime is 226145687. The next prime is 226145743. The reversal of 226145737 is 737541622.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 140564736 + 85581001 = 11856^2 + 9251^2 .

It is a cyclic number.

It is not a de Polignac number, because 226145737 - 211 = 226143689 is a prime.

It is a super-2 number, since 2×2261457372 = 102283788726546338, 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 = 226145696 and 226145705.

It is not an unprimeable number, because it can be changed into a prime (226145537) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40312 + ... + 45577.

It is an arithmetic number, because the mean of its divisors is an integer number (56558565).

Almost surely, 2226145737 is an apocalyptic number.

It is an amenable number.

226145737 is a deficient number, since it is larger than the sum of its proper divisors (88523).

226145737 is an equidigital number, since it uses as much as digits as its factorization.

226145737 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88522.

The product of its digits is 70560, while the sum is 37.

The square root of 226145737 is about 15038.1427377186. The cubic root of 226145737 is about 609.2508378968.

The spelling of 226145737 in words is "two hundred twenty-six million, one hundred forty-five thousand, seven hundred thirty-seven".

Divisors: 1 2633 85889 226145737