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4123889 = 73111093
BaseRepresentation
bin1111101110110011110001
321202111220122
433232303301
52023431024
6224220025
750024000
oct17566361
97674818
104123889
112367380
12146a615
13b15093
14794c37
15566d5e
hex3eecf1

4123889 has 16 divisors (see below), whose sum is σ = 5251200. Its totient is φ = 3210480.

The previous prime is 4123871. The next prime is 4123891. The reversal of 4123889 is 9883214.

It is a happy number.

It is not a de Polignac number, because 4123889 - 28 = 4123633 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4123849) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3227 + ... + 4319.

It is an arithmetic number, because the mean of its divisors is an integer number (328200).

Almost surely, 24123889 is an apocalyptic number.

4123889 is a gapful number since it is divisible by the number (49) formed by its first and last digit.

It is an amenable number.

4123889 is a deficient number, since it is larger than the sum of its proper divisors (1127311).

4123889 is a wasteful number, since it uses less digits than its factorization.

4123889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1125 (or 1111 counting only the distinct ones).

The product of its digits is 13824, while the sum is 35.

The square root of 4123889 is about 2030.7360734473. The cubic root of 4123889 is about 160.3623169417.

The spelling of 4123889 in words is "four million, one hundred twenty-three thousand, eight hundred eighty-nine".

Divisors: 1 7 11 49 77 343 539 1093 3773 7651 12023 53557 84161 374899 589127 4123889