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1390482 = 23277249
BaseRepresentation
bin101010011011110010010
32121122101100
411103132102
5323443412
645445230
714550612
oct5233622
92548340
101390482
1186a765
12570816
13398b92
14282a42
151c6edc
hex153792

1390482 has 12 divisors (see below), whose sum is σ = 3012750. Its totient is φ = 463488.

The previous prime is 1390471. The next prime is 1390483. The reversal of 1390482 is 2840931.

It can be written as a sum of positive squares in only one way, i.e., 1390041 + 441 = 1179^2 + 21^2 .

It is not an unprimeable number, because it can be changed into a prime (1390483) 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 5 ways as a sum of consecutive naturals, for example, 38607 + ... + 38642.

21390482 is an apocalyptic number.

1390482 is an abundant number, since it is smaller than the sum of its proper divisors (1622268).

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

1390482 is a wasteful number, since it uses less digits than its factorization.

1390482 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77257 (or 77254 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 1390482 is about 1179.1870080695. The cubic root of 1390482 is about 111.6148012896.

The spelling of 1390482 in words is "one million, three hundred ninety thousand, four hundred eighty-two".

Divisors: 1 2 3 6 9 18 77249 154498 231747 463494 695241 1390482