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226252757 is a prime number
BaseRepresentation
bin11010111110001…
…01011111010101
3120202201211102202
431133011133111
5430410042012
634241214245
75415055013
oct1537053725
9522654382
10226252757
11106794055
1263931385
1337b49793
14220978b3
1514ce2cc2
hexd7c57d5

226252757 has 2 divisors, whose sum is σ = 226252758. Its totient is φ = 226252756.

The previous prime is 226252699. The next prime is 226252759. The reversal of 226252757 is 757252622.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 147646801 + 78605956 = 12151^2 + 8866^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-226252757 is a prime.

Together with 226252759, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 226252757.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (226252759) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 113126378 + 113126379.

It is an arithmetic number, because the mean of its divisors is an integer number (113126379).

Almost surely, 2226252757 is an apocalyptic number.

It is an amenable number.

226252757 is a deficient number, since it is larger than the sum of its proper divisors (1).

226252757 is an equidigital number, since it uses as much as digits as its factorization.

226252757 is an evil number, because the sum of its binary digits is even.

The product of its digits is 117600, while the sum is 38.

The square root of 226252757 is about 15041.7006019931. The cubic root of 226252757 is about 609.3469289440.

The spelling of 226252757 in words is "two hundred twenty-six million, two hundred fifty-two thousand, seven hundred fifty-seven".