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238841377 is a prime number
BaseRepresentation
bin11100011110001…
…10111000100001
3121122102101202221
432033012320201
5442120411002
635411111041
75630055355
oct1617067041
9548371687
10238841377
11112902075
1267ba2481
133a636678
1423a13465
1515e7cc37
hexe3c6e21

238841377 has 2 divisors, whose sum is σ = 238841378. Its totient is φ = 238841376.

The previous prime is 238841353. The next prime is 238841387. The reversal of 238841377 is 773148832.

238841377 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 196448256 + 42393121 = 14016^2 + 6511^2 .

It is a cyclic number.

It is not a de Polignac number, because 238841377 - 27 = 238841249 is a prime.

It is a super-2 number, since 2×2388413772 = 114090406734512258, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (238841387) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 119420688 + 119420689.

It is an arithmetic number, because the mean of its divisors is an integer number (119420689).

Almost surely, 2238841377 is an apocalyptic number.

It is an amenable number.

238841377 is a deficient number, since it is larger than the sum of its proper divisors (1).

238841377 is an equidigital number, since it uses as much as digits as its factorization.

238841377 is an evil number, because the sum of its binary digits is even.

The product of its digits is 225792, while the sum is 43.

The square root of 238841377 is about 15454.4937477745. The cubic root of 238841377 is about 620.4448567660. Note that the first 3 decimals are identical.

The spelling of 238841377 in words is "two hundred thirty-eight million, eight hundred forty-one thousand, three hundred seventy-seven".