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38887379 is a prime number
BaseRepresentation
bin1001010001010…
…1111111010011
32201011200110022
42110111333103
534423344004
63505254055
7651352166
oct224257723
981150408
1038887379
111aa50733
121103432b
1380972ab
145243add
1536322be
hex2515fd3

38887379 has 2 divisors, whose sum is σ = 38887380. Its totient is φ = 38887378.

The previous prime is 38887369. The next prime is 38887391. The reversal of 38887379 is 97378883.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-38887379 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 38887379.

It is not a weakly prime, because it can be changed into another prime (38887369) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19443689 + 19443690.

It is an arithmetic number, because the mean of its divisors is an integer number (19443690).

Almost surely, 238887379 is an apocalyptic number.

38887379 is a deficient number, since it is larger than the sum of its proper divisors (1).

38887379 is an equidigital number, since it uses as much as digits as its factorization.

38887379 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2032128, while the sum is 53.

The square root of 38887379 is about 6235.9745830143. The cubic root of 38887379 is about 338.7944008466.

The spelling of 38887379 in words is "thirty-eight million, eight hundred eighty-seven thousand, three hundred seventy-nine".