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38676613 is a prime number
BaseRepresentation
bin1001001110001…
…0100010000101
32200202222100011
42103202202011
534400122423
63500550221
7646513543
oct223424205
980688304
1038676613
111a917348
1210b52371
138022391
1451cad93
1535deb0d
hex24e2885

38676613 has 2 divisors, whose sum is σ = 38676614. Its totient is φ = 38676612.

The previous prime is 38676563. The next prime is 38676619. The reversal of 38676613 is 31667683.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 38155329 + 521284 = 6177^2 + 722^2 .

It is an emirp because it is prime and its reverse (31667683) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 38676613 - 29 = 38676101 is a prime.

It is equal to p2357779 and since 38676613 and 2357779 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38676619) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19338306 + 19338307.

It is an arithmetic number, because the mean of its divisors is an integer number (19338307).

Almost surely, 238676613 is an apocalyptic number.

It is an amenable number.

38676613 is a deficient number, since it is larger than the sum of its proper divisors (1).

38676613 is an equidigital number, since it uses as much as digits as its factorization.

38676613 is an evil number, because the sum of its binary digits is even.

The product of its digits is 108864, while the sum is 40.

The square root of 38676613 is about 6219.0524197823. The cubic root of 38676613 is about 338.1812135895.

The spelling of 38676613 in words is "thirty-eight million, six hundred seventy-six thousand, six hundred thirteen".