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3850889 = 7550127
BaseRepresentation
bin1110101100001010001001
321020122102112
432230022021
51441212024
6214312105
744506040
oct16541211
97218375
103850889
1121a0259
121358635
13a4aa43
14723557
1551100e
hex3ac289

3850889 has 4 divisors (see below), whose sum is σ = 4401024. Its totient is φ = 3300756.

The previous prime is 3850883. The next prime is 3850909. The reversal of 3850889 is 9880583.

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, and also an emirpimes, since its reverse is a distinct semiprime: 9880583 = 43229781.

It is a cyclic number.

It is not a de Polignac number, because 3850889 - 28 = 3850633 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3850883) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 275057 + ... + 275070.

It is an arithmetic number, because the mean of its divisors is an integer number (1100256).

Almost surely, 23850889 is an apocalyptic number.

It is an amenable number.

3850889 is a deficient number, since it is larger than the sum of its proper divisors (550135).

3850889 is an equidigital number, since it uses as much as digits as its factorization.

3850889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 550134.

The product of its (nonzero) digits is 69120, while the sum is 41.

The square root of 3850889 is about 1962.3682121355. The cubic root of 3850889 is about 156.7425832963.

The spelling of 3850889 in words is "three million, eight hundred fifty thousand, eight hundred eighty-nine".

Divisors: 1 7 550127 3850889