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226189801 = 295776493
BaseRepresentation
bin11010111101101…
…10000111101001
3120202121122002001
431132312013221
5430401033201
634240011001
75414403325
oct1536660751
9522548061
10226189801
11106750822
1263900a61
1337b26c26
142207c985
1514cce301
hexd7b61e9

226189801 has 4 divisors (see below), whose sum is σ = 226269252. Its totient is φ = 226110352.

The previous prime is 226189771. The next prime is 226189819. The reversal of 226189801 is 108981622.

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 34339600 + 191850201 = 5860^2 + 13851^2 .

It is a cyclic number.

It is not a de Polignac number, because 226189801 - 223 = 217801193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (226189841) 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, 35290 + ... + 41203.

It is an arithmetic number, because the mean of its divisors is an integer number (56567313).

Almost surely, 2226189801 is an apocalyptic number.

It is an amenable number.

226189801 is a deficient number, since it is larger than the sum of its proper divisors (79451).

226189801 is an equidigital number, since it uses as much as digits as its factorization.

226189801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79450.

The product of its (nonzero) digits is 13824, while the sum is 37.

The square root of 226189801 is about 15039.6077408954. The cubic root of 226189801 is about 609.2904057228.

The spelling of 226189801 in words is "two hundred twenty-six million, one hundred eighty-nine thousand, eight hundred one".

Divisors: 1 2957 76493 226189801