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4387161 = 34371479
BaseRepresentation
bin10000101111000101011001
322020220001110
4100233011121
52110342121
6234010533
752201362
oct20570531
98226043
104387161
112527159
121576a49
13ba7b6c
14822b69
155b9d76
hex42f159

4387161 has 16 divisors (see below), whose sum is σ = 6082560. Its totient is φ = 2810640.

The previous prime is 4387153. The next prime is 4387169. The reversal of 4387161 is 1617834.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (4387153) and next prime (4387169).

It is not a de Polignac number, because 4387161 - 23 = 4387153 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4387169) 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 in 15 ways as a sum of consecutive naturals, for example, 8920 + ... + 9398.

It is an arithmetic number, because the mean of its divisors is an integer number (380160).

Almost surely, 24387161 is an apocalyptic number.

It is an amenable number.

4387161 is a deficient number, since it is larger than the sum of its proper divisors (1695399).

4387161 is a wasteful number, since it uses less digits than its factorization.

4387161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 596.

The product of its digits is 4032, while the sum is 30.

The square root of 4387161 is about 2094.5550840214. Note that the first 3 decimals coincide. The cubic root of 4387161 is about 163.7047160293.

The spelling of 4387161 in words is "four million, three hundred eighty-seven thousand, one hundred sixty-one".

Divisors: 1 3 43 71 129 213 479 1437 3053 9159 20597 34009 61791 102027 1462387 4387161