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1385982 = 232135923
BaseRepresentation
bin101010010010111111110
32121102012200
411102113332
5323322412
645412330
714531523
oct5222776
92542180
101385982
11867344
1256a0a6
13396b10
1428114a
151c59dc
hex1525fe

1385982 has 24 divisors (see below), whose sum is σ = 3234504. Its totient is φ = 426384.

The previous prime is 1385977. The next prime is 1385987. The reversal of 1385982 is 2895831.

It is an interprime number because it is at equal distance from previous prime (1385977) and next prime (1385987).

It is a super-2 number, since 2×13859822 = 3841892208648, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1385987) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2728 + ... + 3195.

It is an arithmetic number, because the mean of its divisors is an integer number (134771).

21385982 is an apocalyptic number.

1385982 is an abundant number, since it is smaller than the sum of its proper divisors (1848522).

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

1385982 is a wasteful number, since it uses less digits than its factorization.

1385982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5944 (or 5941 counting only the distinct ones).

The product of its digits is 17280, while the sum is 36.

The square root of 1385982 is about 1177.2773674882. The cubic root of 1385982 is about 111.4942652912.

The spelling of 1385982 in words is "one million, three hundred eighty-five thousand, nine hundred eighty-two".

Divisors: 1 2 3 6 9 13 18 26 39 78 117 234 5923 11846 17769 35538 53307 76999 106614 153998 230997 461994 692991 1385982