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19050889 = 11131271049
BaseRepresentation
bin100100010101…
…1000110001001
31022211212220111
41020223012021
514334112024
61520154321
7320633644
oct110530611
938755814
1019050889
11a832240
1264689a1
133c40420
14275ca5b
151a14a94
hex122b189

19050889 has 16 divisors (see below), whose sum is σ = 22579200. Its totient is φ = 15845760.

The previous prime is 19050881. The next prime is 19050917. The reversal of 19050889 is 98805091.

It is a cyclic number.

It is not a de Polignac number, because 19050889 - 23 = 19050881 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (19050881) 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, 17637 + ... + 18685.

It is an arithmetic number, because the mean of its divisors is an integer number (1411200).

Almost surely, 219050889 is an apocalyptic number.

It is an amenable number.

19050889 is a deficient number, since it is larger than the sum of its proper divisors (3528311).

19050889 is a wasteful number, since it uses less digits than its factorization.

19050889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1200.

The product of its (nonzero) digits is 25920, while the sum is 40.

The square root of 19050889 is about 4364.7324087509. The cubic root of 19050889 is about 267.0781845874.

The spelling of 19050889 in words is "nineteen million, fifty thousand, eight hundred eighty-nine".

Divisors: 1 11 13 127 143 1049 1397 1651 11539 13637 18161 133223 150007 1465453 1731899 19050889