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10277381 is a prime number
BaseRepresentation
bin100111001101…
…001000000101
3201100010220202
4213031020011
510112334011
61004140245
7153233132
oct47151005
921303822
1010277381
11588a604
123537685
13218abba
141517589
15d8023b
hex9cd205

10277381 has 2 divisors, whose sum is σ = 10277382. Its totient is φ = 10277380.

The previous prime is 10277363. The next prime is 10277413. The reversal of 10277381 is 18377201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7924225 + 2353156 = 2815^2 + 1534^2 .

It is an emirp because it is prime and its reverse (18377201) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-10277381 is a prime.

It is a super-2 number, since 2×102773812 = 211249120438322, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10277581) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5138690 + 5138691.

It is an arithmetic number, because the mean of its divisors is an integer number (5138691).

Almost surely, 210277381 is an apocalyptic number.

It is an amenable number.

10277381 is a deficient number, since it is larger than the sum of its proper divisors (1).

10277381 is an equidigital number, since it uses as much as digits as its factorization.

10277381 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2352, while the sum is 29.

The square root of 10277381 is about 3205.8354605313. The cubic root of 10277381 is about 217.4173271034.

The spelling of 10277381 in words is "ten million, two hundred seventy-seven thousand, three hundred eighty-one".