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1889113 = 1925233
BaseRepresentation
bin111001101001101011001
310112222101011
413031031121
5440422423
6104253521
722025422
oct7151531
93488334
101889113
111080356
127712a1
13511b25
14372649
15274b0d
hex1cd359

1889113 has 6 divisors (see below), whose sum is σ = 1994154. Its totient is φ = 1789344.

The previous prime is 1889101. The next prime is 1889117. The reversal of 1889113 is 3119881.

It can be written as a sum of positive squares in only one way, i.e., 1871424 + 17689 = 1368^2 + 133^2 .

It is not a de Polignac number, because 1889113 - 25 = 1889081 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1889117) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2256 + ... + 2977.

It is an arithmetic number, because the mean of its divisors is an integer number (332359).

21889113 is an apocalyptic number.

It is an amenable number.

1889113 is a deficient number, since it is larger than the sum of its proper divisors (105041).

1889113 is an equidigital number, since it uses as much as digits as its factorization.

1889113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5271 (or 5252 counting only the distinct ones).

The product of its digits is 1728, while the sum is 31.

The square root of 1889113 is about 1374.4500718469. The cubic root of 1889113 is about 123.6192142743.

It can be divided in two parts, 1889 and 113, that added together give a palindrome (2002).

The spelling of 1889113 in words is "one million, eight hundred eighty-nine thousand, one hundred thirteen".

Divisors: 1 19 361 5233 99427 1889113