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226048139 = 353640363
BaseRepresentation
bin11010111100100…
…11100010001011
3120202100102202022
431132103202023
5430332020024
634232555055
75413243322
oct1536234213
9522312668
10226048139
11106664349
1263852a8b
1337aa75c5
14220430b9
1514ca235e
hexd79388b

226048139 has 4 divisors (see below), whose sum is σ = 226688856. Its totient is φ = 225407424.

The previous prime is 226048103. The next prime is 226048153. The reversal of 226048139 is 931840622.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-226048139 is a prime.

It is a super-2 number, since 2×2260481392 = 102195522290726642, 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 = 226048099 and 226048108.

It is not an unprimeable number, because it can be changed into a prime (226048159) 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, 319829 + ... + 320534.

It is an arithmetic number, because the mean of its divisors is an integer number (56672214).

Almost surely, 2226048139 is an apocalyptic number.

226048139 is a deficient number, since it is larger than the sum of its proper divisors (640717).

226048139 is an equidigital number, since it uses as much as digits as its factorization.

226048139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 640716.

The product of its (nonzero) digits is 20736, while the sum is 35.

The square root of 226048139 is about 15034.8973724465. The cubic root of 226048139 is about 609.1631802354.

The spelling of 226048139 in words is "two hundred twenty-six million, forty-eight thousand, one hundred thirty-nine".

Divisors: 1 353 640363 226048139