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38634983 is a prime number
BaseRepresentation
bin1001001101100…
…0010111100111
32200200212020022
42103120113213
534342304413
63500025355
7646251302
oct223302747
980625208
1038634983
111a899042
1210b3225b
13800944a
1451b9b39
1535d2608
hex24d85e7

38634983 has 2 divisors, whose sum is σ = 38634984. Its totient is φ = 38634982.

The previous prime is 38634977. The next prime is 38635001. The reversal of 38634983 is 38943683.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-38634983 is a prime.

It is a super-2 number, since 2×386349832 = 2985323822820578, which contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38637983) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19317491 + 19317492.

It is an arithmetic number, because the mean of its divisors is an integer number (19317492).

Almost surely, 238634983 is an apocalyptic number.

38634983 is a deficient number, since it is larger than the sum of its proper divisors (1).

38634983 is an equidigital number, since it uses as much as digits as its factorization.

38634983 is an evil number, because the sum of its binary digits is even.

The product of its digits is 373248, while the sum is 44.

The square root of 38634983 is about 6215.7045457454. The cubic root of 38634983 is about 338.0598350006.

The spelling of 38634983 in words is "thirty-eight million, six hundred thirty-four thousand, nine hundred eighty-three".