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1382028 = 22341532
BaseRepresentation
bin101010001011010001100
32121012210020
411101122030
5323211103
645342140
714514144
oct5213214
92535706
101382028
1186437a
12567950
1339508b
1427d924
151c4753
hex15168c

1382028 has 36 divisors (see below), whose sum is σ = 3366888. Its totient is φ = 440960.

The previous prime is 1382023. The next prime is 1382039. The reversal of 1382028 is 8202831.

It is a junction number, because it is equal to n+sod(n) for n = 1381989 and 1382007.

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, 26050 + ... + 26102.

21382028 is an apocalyptic number.

It is an amenable number.

1382028 is an abundant number, since it is smaller than the sum of its proper divisors (1984860).

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

1382028 is a wasteful number, since it uses less digits than its factorization.

1382028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154 (or 99 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 24.

The square root of 1382028 is about 1175.5968696794. The cubic root of 1382028 is about 111.3881388010.

Adding to 1382028 its reverse (8202831), we get a palindrome (9584859).

The spelling of 1382028 in words is "one million, three hundred eighty-two thousand, twenty-eight".

Divisors: 1 2 3 4 6 12 41 53 82 106 123 159 164 212 246 318 492 636 2173 2809 4346 5618 6519 8427 8692 11236 13038 16854 26076 33708 115169 230338 345507 460676 691014 1382028