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227406379 is a prime number
BaseRepresentation
bin11011000110111…
…11001000101011
3120211220102220111
431203133020223
5431204001004
634322035151
75430631234
oct1543371053
9524812814
10227406379
11107401862
12641a8ab7
13381618b5
14222b808b
1514e6ea04
hexd8df22b

227406379 has 2 divisors, whose sum is σ = 227406380. Its totient is φ = 227406378.

The previous prime is 227406343. The next prime is 227406401. The reversal of 227406379 is 973604722.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 227406379 - 213 = 227398187 is a prime.

It is a super-2 number, since 2×2274063792 = 103427322419783282, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (227406479) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 113703189 + 113703190.

It is an arithmetic number, because the mean of its divisors is an integer number (113703190).

Almost surely, 2227406379 is an apocalyptic number.

227406379 is a deficient number, since it is larger than the sum of its proper divisors (1).

227406379 is an equidigital number, since it uses as much as digits as its factorization.

227406379 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 127008, while the sum is 40.

The square root of 227406379 is about 15079.9993037135. Note that the first 3 decimals coincide. The cubic root of 227406379 is about 610.3808237444.

The spelling of 227406379 in words is "two hundred twenty-seven million, four hundred six thousand, three hundred seventy-nine".