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38881039 is a prime number
BaseRepresentation
bin1001010001010…
…0011100001111
32201011100202111
42110110130033
534423143124
63505204451
7651324541
oct224243417
981140674
1038881039
111aa4699a
1211030727
138094442
145241691
153630494
hex251470f

38881039 has 2 divisors, whose sum is σ = 38881040. Its totient is φ = 38881038.

The previous prime is 38881033. The next prime is 38881067. The reversal of 38881039 is 93018883.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 38881039 - 219 = 38356751 is a prime.

It is a super-3 number, since 3×388810393 (a number of 24 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 38880992 and 38881010.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38881033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19440519 + 19440520.

It is an arithmetic number, because the mean of its divisors is an integer number (19440520).

Almost surely, 238881039 is an apocalyptic number.

38881039 is a deficient number, since it is larger than the sum of its proper divisors (1).

38881039 is an equidigital number, since it uses as much as digits as its factorization.

38881039 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 41472, while the sum is 40.

The square root of 38881039 is about 6235.4662215427. The cubic root of 38881039 is about 338.7759880753.

The spelling of 38881039 in words is "thirty-eight million, eight hundred eighty-one thousand, thirty-nine".