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4387039 is a prime number
BaseRepresentation
bin10000101111000011011111
322020212212221
4100233003133
52110341124
6234010211
752201126
oct20570337
98225787
104387039
112527058
121576967
13ba7aa7
14822abd
155b9ce4
hex42f0df

4387039 has 2 divisors, whose sum is σ = 4387040. Its totient is φ = 4387038.

The previous prime is 4387021. The next prime is 4387049. The reversal of 4387039 is 9307834.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-4387039 is a prime.

It is a super-2 number, since 2×43870392 = 38492222375042, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 4386995 and 4387013.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4387049) 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, 2193519 + 2193520.

It is an arithmetic number, because the mean of its divisors is an integer number (2193520).

Almost surely, 24387039 is an apocalyptic number.

4387039 is a deficient number, since it is larger than the sum of its proper divisors (1).

4387039 is an equidigital number, since it uses as much as digits as its factorization.

4387039 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18144, while the sum is 34.

The square root of 4387039 is about 2094.5259606890. The cubic root of 4387039 is about 163.7031985590.

The spelling of 4387039 in words is "four million, three hundred eighty-seven thousand, thirty-nine".