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34285987 is a prime number
BaseRepresentation
bin1000001011001…
…0100110100011
32101111220112101
42002302212203
532234122422
63222511231
7564266101
oct202624643
971456471
1034285987
111839862a
12b595517
137145a88
1447a6c71
153023c27
hex20b29a3

34285987 has 2 divisors, whose sum is σ = 34285988. Its totient is φ = 34285986.

The previous prime is 34285949. The next prime is 34286003. The reversal of 34285987 is 78958243.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-34285987 is a prime.

It is not a weakly prime, because it can be changed into another prime (34285487) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17142993 + 17142994.

It is an arithmetic number, because the mean of its divisors is an integer number (17142994).

Almost surely, 234285987 is an apocalyptic number.

34285987 is a deficient number, since it is larger than the sum of its proper divisors (1).

34285987 is an equidigital number, since it uses as much as digits as its factorization.

34285987 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 483840, while the sum is 46.

The square root of 34285987 is about 5855.4237250604. The cubic root of 34285987 is about 324.8669656700.

The spelling of 34285987 in words is "thirty-four million, two hundred eighty-five thousand, nine hundred eighty-seven".