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38042507 is a prime number
BaseRepresentation
bin1001000100011…
…1101110001011
32122120202111202
42101013232023
534214330012
63435214415
7641233046
oct221075613
978522452
1038042507
111a523998
12108a740b
137b5c879
1450a3c5d
153516cc2
hex2447b8b

38042507 has 2 divisors, whose sum is σ = 38042508. Its totient is φ = 38042506.

The previous prime is 38042491. The next prime is 38042509. The reversal of 38042507 is 70524083.

It is a happy number.

38042507 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 38042507 - 24 = 38042491 is a prime.

Together with 38042509, it forms a pair of twin primes.

It is a Chen prime.

It is equal to p2321399 and since 38042507 and 2321399 have the same sum of digits, it is a Honaker prime.

It is a self number, because there is not a number n which added to its sum of digits gives 38042507.

It is not a weakly prime, because it can be changed into another prime (38042509) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19021253 + 19021254.

It is an arithmetic number, because the mean of its divisors is an integer number (19021254).

Almost surely, 238042507 is an apocalyptic number.

38042507 is a deficient number, since it is larger than the sum of its proper divisors (1).

38042507 is an equidigital number, since it uses as much as digits as its factorization.

38042507 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6720, while the sum is 29.

The square root of 38042507 is about 6167.8608123076. The cubic root of 38042507 is about 336.3228514132.

The spelling of 38042507 in words is "thirty-eight million, forty-two thousand, five hundred seven".