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1428296 = 23178537
BaseRepresentation
bin101011100101101001000
32200120020212
411130231020
5331201141
650340252
715066062
oct5345510
92616225
101428296
11896111
1258a688
133b015c
14292732
151d32eb
hex15cb48

1428296 has 8 divisors (see below), whose sum is σ = 2678070. Its totient is φ = 714144.

The previous prime is 1428281. The next prime is 1428359. The reversal of 1428296 is 6928241.

It can be written as a sum of positive squares in only one way, i.e., 835396 + 592900 = 914^2 + 770^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 89261 + ... + 89276.

21428296 is an apocalyptic number.

It is an amenable number.

1428296 is a deficient number, since it is larger than the sum of its proper divisors (1249774).

1428296 is a wasteful number, since it uses less digits than its factorization.

1428296 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178543 (or 178539 counting only the distinct ones).

The product of its digits is 6912, while the sum is 32.

The square root of 1428296 is about 1195.1133837423. The cubic root of 1428296 is about 112.6175495594.

Subtracting 1428296 from its reverse (6928241), we obtain a palindrome (5499945).

The spelling of 1428296 in words is "one million, four hundred twenty-eight thousand, two hundred ninety-six".

Divisors: 1 2 4 8 178537 357074 714148 1428296