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38875799 is a prime number
BaseRepresentation
bin1001010001001…
…1001010010111
32201011002120102
42110103022113
534423011144
63505124315
7651303344
oct224231227
981132512
1038875799
111aa42a66
121102969b
138091c41
14523d7cb
15362db4e
hex2513297

38875799 has 2 divisors, whose sum is σ = 38875800. Its totient is φ = 38875798.

The previous prime is 38875693. The next prime is 38875801. The reversal of 38875799 is 99757883.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 38875799 - 216 = 38810263 is a prime.

It is a super-2 number, since 2×388757992 = 3022655495776802, which contains 22 as substring.

It is a Sophie Germain prime.

Together with 38875801, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38875099) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19437899 + 19437900.

It is an arithmetic number, because the mean of its divisors is an integer number (19437900).

Almost surely, 238875799 is an apocalyptic number.

38875799 is a deficient number, since it is larger than the sum of its proper divisors (1).

38875799 is an equidigital number, since it uses as much as digits as its factorization.

38875799 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3810240, while the sum is 56.

The square root of 38875799 is about 6235.0460303032. The cubic root of 38875799 is about 338.7607684381.

The spelling of 38875799 in words is "thirty-eight million, eight hundred seventy-five thousand, seven hundred ninety-nine".