Search a number
-
+
1371042 = 232591291
BaseRepresentation
bin101001110101110100010
32120122201100
411032232202
5322333132
645215230
714440131
oct5165642
92518640
101371042
118570a2
12561516
1339008a
14279918
151c137c
hex14eba2

1371042 has 24 divisors (see below), whose sum is σ = 3023280. Its totient is φ = 448920.

The previous prime is 1371031. The next prime is 1371047. The reversal of 1371042 is 2401731.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (1371047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 417 + ... + 1707.

It is an arithmetic number, because the mean of its divisors is an integer number (125970).

21371042 is an apocalyptic number.

1371042 is an abundant number, since it is smaller than the sum of its proper divisors (1652238).

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

1371042 is a wasteful number, since it uses less digits than its factorization.

1371042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1358 (or 1355 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 18.

The square root of 1371042 is about 1170.9150268060. The cubic root of 1371042 is about 111.0922048572.

Adding to 1371042 its reverse (2401731), we get a palindrome (3772773).

The spelling of 1371042 in words is "one million, three hundred seventy-one thousand, forty-two".

Divisors: 1 2 3 6 9 18 59 118 177 354 531 1062 1291 2582 3873 7746 11619 23238 76169 152338 228507 457014 685521 1371042