Search a number
-
+
1894193 = 72293143
BaseRepresentation
bin111001110011100110001
310120020100022
413032130301
5441103233
6104333225
722046300
oct7163461
93506308
101894193
111084154
12774215
13514232
14374437
15276398
hex1ce731

1894193 has 24 divisors (see below), whose sum is σ = 2407680. Its totient is φ = 1481760.

The previous prime is 1894181. The next prime is 1894213. The reversal of 1894193 is 3914981.

It is not a de Polignac number, because 1894193 - 28 = 1893937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1894103) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 44030 + ... + 44072.

It is an arithmetic number, because the mean of its divisors is an integer number (100320).

21894193 is an apocalyptic number.

It is an amenable number.

1894193 is a deficient number, since it is larger than the sum of its proper divisors (513487).

1894193 is a wasteful number, since it uses less digits than its factorization.

1894193 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117 (or 110 counting only the distinct ones).

The product of its digits is 7776, while the sum is 35.

The square root of 1894193 is about 1376.2968429812. The cubic root of 1894193 is about 123.7299229409.

The spelling of 1894193 in words is "one million, eight hundred ninety-four thousand, one hundred ninety-three".

Divisors: 1 7 29 31 43 49 203 217 301 899 1247 1333 1421 1519 2107 6293 8729 9331 38657 44051 61103 65317 270599 1894193