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38799433 is a prime number
BaseRepresentation
bin1001010000000…
…0100001001001
32201000012211001
42110000201021
534413040213
63503335001
7650534611
oct224004111
981005731
1038799433
111a9a0652
1210bb1461
13806625a
14521da41
1536161dd
hex2500849

38799433 has 2 divisors, whose sum is σ = 38799434. Its totient is φ = 38799432.

The previous prime is 38799401. The next prime is 38799443. The reversal of 38799433 is 33499783.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 38787984 + 11449 = 6228^2 + 107^2 .

It is an emirp because it is prime and its reverse (33499783) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 38799433 - 25 = 38799401 is a prime.

It is a super-2 number, since 2×387994332 = 3010792002242978, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (38799443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19399716 + 19399717.

It is an arithmetic number, because the mean of its divisors is an integer number (19399717).

Almost surely, 238799433 is an apocalyptic number.

It is an amenable number.

38799433 is a deficient number, since it is larger than the sum of its proper divisors (1).

38799433 is an equidigital number, since it uses as much as digits as its factorization.

38799433 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 489888, while the sum is 46.

The square root of 38799433 is about 6228.9190876106. The cubic root of 38799433 is about 338.5388071905.

The spelling of 38799433 in words is "thirty-eight million, seven hundred ninety-nine thousand, four hundred thirty-three".