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38275691 is a prime number
BaseRepresentation
bin1001001000000…
…0101001101011
32200000121101012
42102000221223
534244310231
63444214135
7643223636
oct222005153
980017335
1038275691
111a673103
121099a34b
137c11a4c
145124c1d
153560e2b
hex2480a6b

38275691 has 2 divisors, whose sum is σ = 38275692. Its totient is φ = 38275690.

The previous prime is 38275681. The next prime is 38275717. The reversal of 38275691 is 19657283.

It is a weak prime.

It is an emirp because it is prime and its reverse (19657283) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 38275691 - 214 = 38259307 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (38275651) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19137845 + 19137846.

It is an arithmetic number, because the mean of its divisors is an integer number (19137846).

Almost surely, 238275691 is an apocalyptic number.

38275691 is a deficient number, since it is larger than the sum of its proper divisors (1).

38275691 is an equidigital number, since it uses as much as digits as its factorization.

38275691 is an evil number, because the sum of its binary digits is even.

The product of its digits is 90720, while the sum is 41.

The square root of 38275691 is about 6186.7350840326. The cubic root of 38275691 is about 337.0086230245.

The spelling of 38275691 in words is "thirty-eight million, two hundred seventy-five thousand, six hundred ninety-one".