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226435891 = 1123475393
BaseRepresentation
bin11010111111100…
…10001100110011
3120210002010122111
431133302030303
5430431422031
634245150151
75416446643
oct1537621463
9523063574
10226435891
111068a9700
12639bb357
1337bb1c46
1422104523
1514d2c1b1
hexd7f2333

226435891 has 12 divisors (see below), whose sum is σ = 249655896. Its totient is φ = 205219520.

The previous prime is 226435889. The next prime is 226435933. The reversal of 226435891 is 198534622.

It is not a de Polignac number, because 226435891 - 21 = 226435889 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (226435831) 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 11 ways as a sum of consecutive naturals, for example, 39291 + ... + 44683.

It is an arithmetic number, because the mean of its divisors is an integer number (20804658).

Almost surely, 2226435891 is an apocalyptic number.

226435891 is a deficient number, since it is larger than the sum of its proper divisors (23220005).

226435891 is a wasteful number, since it uses less digits than its factorization.

226435891 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5762 (or 5751 counting only the distinct ones).

The product of its digits is 103680, while the sum is 40.

The square root of 226435891 is about 15047.7869136960. The cubic root of 226435891 is about 609.5112909127.

The spelling of 226435891 in words is "two hundred twenty-six million, four hundred thirty-five thousand, eight hundred ninety-one".

Divisors: 1 11 121 347 3817 5393 41987 59323 652553 1871371 20585081 226435891