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1386046241 is a prime number
BaseRepresentation
bin101001010011101…
…0110001100100001
310120121002102222222
41102213112030201
510314311434431
6345311440425
746230125066
oct12247261441
93517072888
101386046241
11651429068
12328226115
13191204408
14d211cc6d
1581a3a57b
hex529d6321

1386046241 has 2 divisors, whose sum is σ = 1386046242. Its totient is φ = 1386046240.

The previous prime is 1386046201. The next prime is 1386046243. The reversal of 1386046241 is 1426406831.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1258830400 + 127215841 = 35480^2 + 11279^2 .

It is a cyclic number.

It is not a de Polignac number, because 1386046241 - 218 = 1385784097 is a prime.

It is a super-2 number, since 2×13860462412 = 3842248364380460162, which contains 22 as substring.

It is a Sophie Germain prime.

Together with 1386046243, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (1386046243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 693023120 + 693023121.

It is an arithmetic number, because the mean of its divisors is an integer number (693023121).

Almost surely, 21386046241 is an apocalyptic number.

It is an amenable number.

1386046241 is a deficient number, since it is larger than the sum of its proper divisors (1).

1386046241 is an equidigital number, since it uses as much as digits as its factorization.

1386046241 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27648, while the sum is 35.

The square root of 1386046241 is about 37229.6419671208. The cubic root of 1386046241 is about 1114.9598787067.

The spelling of 1386046241 in words is "one billion, three hundred eighty-six million, forty-six thousand, two hundred forty-one".