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11378657 is a prime number
BaseRepresentation
bin101011011001…
…111111100001
3210102002120202
4223121333201
510403104112
61043514545
7165500633
oct53317741
923362522
1011378657
116471a54
123988a55
132485244
141722a53
15eeb6c2
hexad9fe1

11378657 has 2 divisors, whose sum is σ = 11378658. Its totient is φ = 11378656.

The previous prime is 11378651. The next prime is 11378659. The reversal of 11378657 is 75687311.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10214416 + 1164241 = 3196^2 + 1079^2 .

It is a cyclic number.

It is not a de Polignac number, because 11378657 - 24 = 11378641 is a prime.

Together with 11378659, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11378657.

It is not a weakly prime, because it can be changed into another prime (11378651) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5689328 + 5689329.

It is an arithmetic number, because the mean of its divisors is an integer number (5689329).

Almost surely, 211378657 is an apocalyptic number.

It is an amenable number.

11378657 is a deficient number, since it is larger than the sum of its proper divisors (1).

11378657 is an equidigital number, since it uses as much as digits as its factorization.

11378657 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 35280, while the sum is 38.

The square root of 11378657 is about 3373.2264969907. The cubic root of 11378657 is about 224.9211707391.

The spelling of 11378657 in words is "eleven million, three hundred seventy-eight thousand, six hundred fifty-seven".