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38916697 is a prime number
BaseRepresentation
bin1001010001110…
…1001001011001
32201020011200011
42110131021121
534430313242
63510041521
7651533521
oct224351131
981204604
1038916697
111aa70766
12110492a1
1380a7741
145250681
15363ad17
hex251d259

38916697 has 2 divisors, whose sum is σ = 38916698. Its totient is φ = 38916696.

The previous prime is 38916673. The next prime is 38916707. The reversal of 38916697 is 79661983.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 37015056 + 1901641 = 6084^2 + 1379^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-38916697 is a prime.

It is a super-4 number, since 4×389166974 (a number of 31 digits) contains 4444 as substring.

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 38916697.

It is not a weakly prime, because it can be changed into another prime (38946697) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19458348 + 19458349.

It is an arithmetic number, because the mean of its divisors is an integer number (19458349).

Almost surely, 238916697 is an apocalyptic number.

It is an amenable number.

38916697 is a deficient number, since it is larger than the sum of its proper divisors (1).

38916697 is an equidigital number, since it uses as much as digits as its factorization.

38916697 is an evil number, because the sum of its binary digits is even.

The product of its digits is 489888, while the sum is 49.

The square root of 38916697 is about 6238.3248552797. The cubic root of 38916697 is about 338.8795208296.

The spelling of 38916697 in words is "thirty-eight million, nine hundred sixteen thousand, six hundred ninety-seven".