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226252643 = 1713308979
BaseRepresentation
bin11010111110001…
…01011101100011
3120202201211021112
431133011131203
5430410041033
634241213535
75415054461
oct1537053543
9522654245
10226252643
11106793a61
12639312ab
1337b49706
1422097831
1514ce2c48
hexd7c5763

226252643 has 4 divisors (see below), whose sum is σ = 239561640. Its totient is φ = 212943648.

The previous prime is 226252619. The next prime is 226252667. The reversal of 226252643 is 346252622.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 346252622 = 2173126311.

It is an interprime number because it is at equal distance from previous prime (226252619) and next prime (226252667).

It is a cyclic number.

It is not a de Polignac number, because 226252643 - 214 = 226236259 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (226252673) 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, 6654473 + ... + 6654506.

It is an arithmetic number, because the mean of its divisors is an integer number (59890410).

Almost surely, 2226252643 is an apocalyptic number.

226252643 is a deficient number, since it is larger than the sum of its proper divisors (13308997).

226252643 is a wasteful number, since it uses less digits than its factorization.

226252643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13308996.

The product of its digits is 34560, while the sum is 32.

The square root of 226252643 is about 15041.6968125275. The cubic root of 226252643 is about 609.3468266019.

The spelling of 226252643 in words is "two hundred twenty-six million, two hundred fifty-two thousand, six hundred forty-three".

Divisors: 1 17 13308979 226252643