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1348245 = 3453329
BaseRepresentation
bin101001001001010010101
32112111110000
411021022111
5321120440
644521513
714313513
oct5111225
92474400
101348245
11840a58
12550299
133828a2
142714b3
151b9730
hex149295

1348245 has 20 divisors (see below), whose sum is σ = 2417580. Its totient is φ = 718848.

The previous prime is 1348231. The next prime is 1348247. The reversal of 1348245 is 5428431.

It can be written as a sum of positive squares in 2 ways, for example, as 505521 + 842724 = 711^2 + 918^2 .

It is not a de Polignac number, because 1348245 - 28 = 1347989 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1348247) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1260 + ... + 2069.

It is an arithmetic number, because the mean of its divisors is an integer number (120879).

21348245 is an apocalyptic number.

1348245 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1348245 is a deficient number, since it is larger than the sum of its proper divisors (1069335).

1348245 is an equidigital number, since it uses as much as digits as its factorization.

1348245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3346 (or 3337 counting only the distinct ones).

The product of its digits is 3840, while the sum is 27.

The square root of 1348245 is about 1161.1395264997. The cubic root of 1348245 is about 110.4730317814.

The spelling of 1348245 in words is "one million, three hundred forty-eight thousand, two hundred forty-five".

Divisors: 1 3 5 9 15 27 45 81 135 405 3329 9987 16645 29961 49935 89883 149805 269649 449415 1348245