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226789973 = 1481153133
BaseRepresentation
bin11011000010010…
…00101001010101
3120210202010100122
431201020221111
5431024234343
634300521325
75422453154
oct1541105125
9523663318
10226789973
11107020733
1263b50245
1337ca7167
142219759b
1514d9c068
hexd848a55

226789973 has 4 divisors (see below), whose sum is σ = 226944588. Its totient is φ = 226635360.

The previous prime is 226789967. The next prime is 226789991. The reversal of 226789973 is 379987622.

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 159188689 + 67601284 = 12617^2 + 8222^2 .

It is a cyclic number.

It is not a de Polignac number, because 226789973 - 210 = 226788949 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (226789933) 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, 75086 + ... + 78047.

It is an arithmetic number, because the mean of its divisors is an integer number (56736147).

Almost surely, 2226789973 is an apocalyptic number.

It is an amenable number.

226789973 is a deficient number, since it is larger than the sum of its proper divisors (154615).

226789973 is a wasteful number, since it uses less digits than its factorization.

226789973 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154614.

The product of its digits is 2286144, while the sum is 53.

The square root of 226789973 is about 15059.5475695653. The cubic root of 226789973 is about 609.8288268257.

The spelling of 226789973 in words is "two hundred twenty-six million, seven hundred eighty-nine thousand, nine hundred seventy-three".

Divisors: 1 1481 153133 226789973