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1383028 = 22345757
BaseRepresentation
bin101010001101001110100
32121021011021
411101221310
5323224103
645350524
714520103
oct5215164
92537137
101383028
118650a9
12568444
1339567a
1428003a
151c4bbd
hex151a74

1383028 has 6 divisors (see below), whose sum is σ = 2420306. Its totient is φ = 691512.

The previous prime is 1382999. The next prime is 1383037. The reversal of 1383028 is 8203831.

It can be written as a sum of positive squares in only one way, i.e., 944784 + 438244 = 972^2 + 662^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1382993 and 1383011.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172875 + ... + 172882.

21383028 is an apocalyptic number.

It is an amenable number.

1383028 is a deficient number, since it is larger than the sum of its proper divisors (1037278).

1383028 is a wasteful number, since it uses less digits than its factorization.

1383028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 345761 (or 345759 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 1383028 is about 1176.0221086357. The cubic root of 1383028 is about 111.4149981902.

Adding to 1383028 its reverse (8203831), we get a palindrome (9586859).

The spelling of 1383028 in words is "one million, three hundred eighty-three thousand, twenty-eight".

Divisors: 1 2 4 345757 691514 1383028