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1889196 = 223157433
BaseRepresentation
bin111001101001110101100
310112222111020
413031032230
5440423241
6104254140
722025601
oct7151654
93488436
101889196
111080421
12771350
13511b8a
143726a8
15274b66
hex1cd3ac

1889196 has 12 divisors (see below), whose sum is σ = 4408152. Its totient is φ = 629728.

The previous prime is 1889191. The next prime is 1889201. The reversal of 1889196 is 6919881.

It is an interprime number because it is at equal distance from previous prime (1889191) and next prime (1889201).

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (1889191) 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, 78705 + ... + 78728.

It is an arithmetic number, because the mean of its divisors is an integer number (367346).

21889196 is an apocalyptic number.

It is an amenable number.

1889196 is an abundant number, since it is smaller than the sum of its proper divisors (2518956).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1889196 is a wasteful number, since it uses less digits than its factorization.

1889196 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157440 (or 157438 counting only the distinct ones).

The product of its digits is 31104, while the sum is 42.

The square root of 1889196 is about 1374.4802654094. The cubic root of 1889196 is about 123.6210246908.

The spelling of 1889196 in words is "one million, eight hundred eighty-nine thousand, one hundred ninety-six".

Divisors: 1 2 3 4 6 12 157433 314866 472299 629732 944598 1889196