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1369485 = 325132341
BaseRepresentation
bin101001110010110001101
32120120120200
411032112031
5322310420
645204113
714432445
oct5162615
92516520
101369485
11855a07
12560639
1338c460
14279125
151c0b90
hex14e58d

1369485 has 24 divisors (see below), whose sum is σ = 2557464. Its totient is φ = 673920.

The previous prime is 1369483. The next prime is 1369499. The reversal of 1369485 is 5849631.

1369485 is nontrivially palindromic in base 8.

It can be written as a sum of positive squares in 4 ways, for example, as 56169 + 1313316 = 237^2 + 1146^2 .

It is not a de Polignac number, because 1369485 - 21 = 1369483 is a prime.

1369485 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1369483) 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 23 ways as a sum of consecutive naturals, for example, 586 + ... + 1755.

It is an arithmetic number, because the mean of its divisors is an integer number (106561).

21369485 is an apocalyptic number.

1369485 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1369485 is a deficient number, since it is larger than the sum of its proper divisors (1187979).

1369485 is a wasteful number, since it uses less digits than its factorization.

1369485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2365 (or 2362 counting only the distinct ones).

The product of its digits is 25920, while the sum is 36.

The square root of 1369485 is about 1170.2499732963. The cubic root of 1369485 is about 111.0501356181.

The spelling of 1369485 in words is "one million, three hundred sixty-nine thousand, four hundred eighty-five".

Divisors: 1 3 5 9 13 15 39 45 65 117 195 585 2341 7023 11705 21069 30433 35115 91299 105345 152165 273897 456495 1369485