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1389342 = 231753257
BaseRepresentation
bin101010011001100011110
32121120211010
411103030132
5323424332
645440050
714544363
oct5231436
92546733
101389342
11869919
12570026
133984c6
1428246a
151c69cc
hex15331e

1389342 has 32 divisors (see below), whose sum is σ = 3009312. Its totient is φ = 425984.

The previous prime is 1389329. The next prime is 1389347. The reversal of 1389342 is 2439831.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1389347) 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 15 ways as a sum of consecutive naturals, for example, 5278 + ... + 5534.

It is an arithmetic number, because the mean of its divisors is an integer number (94041).

21389342 is an apocalyptic number.

1389342 is an abundant number, since it is smaller than the sum of its proper divisors (1619970).

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

1389342 is a wasteful number, since it uses less digits than its factorization.

1389342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 332.

The product of its digits is 5184, while the sum is 30.

The square root of 1389342 is about 1178.7035250647. The cubic root of 1389342 is about 111.5842901281.

The spelling of 1389342 in words is "one million, three hundred eighty-nine thousand, three hundred forty-two".

Divisors: 1 2 3 6 17 34 51 53 102 106 159 257 318 514 771 901 1542 1802 2703 4369 5406 8738 13107 13621 26214 27242 40863 81726 231557 463114 694671 1389342