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1382025 = 35218427
BaseRepresentation
bin101010001011010001001
32121012210010
411101122021
5323211100
645342133
714514141
oct5213211
92535703
101382025
11864377
12567949
13395088
1427d921
151c4750
hex151689

1382025 has 12 divisors (see below), whose sum is σ = 2285072. Its totient is φ = 737040.

The previous prime is 1382023. The next prime is 1382039. The reversal of 1382025 is 5202831.

It is not a de Polignac number, because 1382025 - 21 = 1382023 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1381992 and 1382010.

It is not an unprimeable number, because it can be changed into a prime (1382021) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9139 + ... + 9288.

21382025 is an apocalyptic number.

1382025 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1382025 is a deficient number, since it is larger than the sum of its proper divisors (903047).

1382025 is a wasteful number, since it uses less digits than its factorization.

1382025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18440 (or 18435 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 1382025 is about 1175.5955937311. The cubic root of 1382025 is about 111.3880582033.

Adding to 1382025 its reverse (5202831), we get a palindrome (6584856).

The spelling of 1382025 in words is "one million, three hundred eighty-two thousand, twenty-five".

Divisors: 1 3 5 15 25 75 18427 55281 92135 276405 460675 1382025