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4375389 = 31458463
BaseRepresentation
bin10000101100001101011101
322020021220110
4100230031131
52110003024
6233440233
752122144
oct20541535
98207813
104375389
112519327
121570079
13ba26b5
1481c75b
155b6629
hex42c35d

4375389 has 4 divisors (see below), whose sum is σ = 5833856. Its totient is φ = 2916924.

The previous prime is 4375387. The next prime is 4375403. The reversal of 4375389 is 9835734.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 4375389 - 21 = 4375387 is a prime.

It is a d-powerful number, because it can be written as 411 + 35 + 72 + 55 + 311 + 83 + 9 .

It is a D-number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4375387) 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 3 ways as a sum of consecutive naturals, for example, 729229 + ... + 729234.

It is an arithmetic number, because the mean of its divisors is an integer number (1458464).

Almost surely, 24375389 is an apocalyptic number.

It is an amenable number.

4375389 is a deficient number, since it is larger than the sum of its proper divisors (1458467).

4375389 is a wasteful number, since it uses less digits than its factorization.

4375389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1458466.

The product of its digits is 90720, while the sum is 39.

The square root of 4375389 is about 2091.7430530541. The cubic root of 4375389 is about 163.5581627745.

The spelling of 4375389 in words is "four million, three hundred seventy-five thousand, three hundred eighty-nine".

Divisors: 1 3 1458463 4375389