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234470381 is a prime number
BaseRepresentation
bin11011111100110…
…11101111101101
3121100012022220012
431332123233231
5440011023011
635133303005
75544652055
oct1576335755
9540168805
10234470381
11110397082
1266634a65
1339765c92
14231d6565
15158b7a8b
hexdf9bbed

234470381 has 2 divisors, whose sum is σ = 234470382. Its totient is φ = 234470380.

The previous prime is 234470377. The next prime is 234470417. The reversal of 234470381 is 183074432.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 222457225 + 12013156 = 14915^2 + 3466^2 .

It is a cyclic number.

It is not a de Polignac number, because 234470381 - 22 = 234470377 is a prime.

It is a super-2 number, since 2×2344703812 = 109952719132570322, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (234470351) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 117235190 + 117235191.

It is an arithmetic number, because the mean of its divisors is an integer number (117235191).

Almost surely, 2234470381 is an apocalyptic number.

It is an amenable number.

234470381 is a deficient number, since it is larger than the sum of its proper divisors (1).

234470381 is an equidigital number, since it uses as much as digits as its factorization.

234470381 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16128, while the sum is 32.

The square root of 234470381 is about 15312.4257059422. The cubic root of 234470381 is about 616.6366444925.

The spelling of 234470381 in words is "two hundred thirty-four million, four hundred seventy thousand, three hundred eighty-one".