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227838953 is a prime number
BaseRepresentation
bin11011001010010…
…00101111101001
3120212201102021202
431211020233221
5431311321303
634335213545
75434412336
oct1545105751
9525642252
10227838953
11107677861
12643772b5
1338283764
142238b98d
1515007c88
hexd948be9

227838953 has 2 divisors, whose sum is σ = 227838954. Its totient is φ = 227838952.

The previous prime is 227838907. The next prime is 227838959. The reversal of 227838953 is 359838722.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 227014489 + 824464 = 15067^2 + 908^2 .

It is a cyclic number.

It is not a de Polignac number, because 227838953 - 224 = 211061737 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 227838898 and 227838907.

It is not a weakly prime, because it can be changed into another prime (227838959) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 113919476 + 113919477.

It is an arithmetic number, because the mean of its divisors is an integer number (113919477).

Almost surely, 2227838953 is an apocalyptic number.

It is an amenable number.

227838953 is a deficient number, since it is larger than the sum of its proper divisors (1).

227838953 is an equidigital number, since it uses as much as digits as its factorization.

227838953 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 725760, while the sum is 47.

The square root of 227838953 is about 15094.3351294451. The cubic root of 227838953 is about 610.7676021569.

The spelling of 227838953 in words is "two hundred twenty-seven million, eight hundred thirty-eight thousand, nine hundred fifty-three".