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227750023 = 1432315901
BaseRepresentation
bin11011001001100…
…11000010000111
3120212112220022001
431210303002013
5431301000043
634333250131
75433562144
oct1544630207
9525486261
10227750023
11107616a66
1264333947
1338252137
14223673cb
1514edb74d
hexd933087

227750023 has 4 divisors (see below), whose sum is σ = 227780248. Its totient is φ = 227719800.

The previous prime is 227749997. The next prime is 227750053. The reversal of 227750023 is 320057722.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 320057722 = 2160028861.

It is a cyclic number.

It is not a de Polignac number, because 227750023 - 213 = 227741831 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 227749973 and 227750000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (227750053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6373 + ... + 22273.

It is an arithmetic number, because the mean of its divisors is an integer number (56945062).

Almost surely, 2227750023 is an apocalyptic number.

227750023 is a deficient number, since it is larger than the sum of its proper divisors (30225).

227750023 is a wasteful number, since it uses less digits than its factorization.

227750023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30224.

The product of its (nonzero) digits is 5880, while the sum is 28.

The square root of 227750023 is about 15091.3890348105. The cubic root of 227750023 is about 610.6881269685.

The spelling of 227750023 in words is "two hundred twenty-seven million, seven hundred fifty thousand, twenty-three".

Divisors: 1 14323 15901 227750023