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1330497 = 3273431
BaseRepresentation
bin101000100110101000001
32111121002200
411010311001
5320033442
644303413
714211000
oct5046501
92447080
101330497
11829693
12541b69
1337779c
14268c37
151b434c
hex144d41

1330497 has 24 divisors (see below), whose sum is σ = 2246400. Its totient is φ = 758520.

The previous prime is 1330493. The next prime is 1330499. The reversal of 1330497 is 7940331.

It is not a de Polignac number, because 1330497 - 22 = 1330493 is a prime.

It is a plaindrome in base 13.

It is a self number, because there is not a number n which added to its sum of digits gives 1330497.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1330493) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2872 + ... + 3302.

It is an arithmetic number, because the mean of its divisors is an integer number (93600).

21330497 is an apocalyptic number.

It is an amenable number.

1330497 is a deficient number, since it is larger than the sum of its proper divisors (915903).

1330497 is an equidigital number, since it uses as much as digits as its factorization.

1330497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 458 (or 441 counting only the distinct ones).

The product of its (nonzero) digits is 2268, while the sum is 27.

The square root of 1330497 is about 1153.4717161682. The cubic root of 1330497 is about 109.9861415048.

The spelling of 1330497 in words is "one million, three hundred thirty thousand, four hundred ninety-seven".

Divisors: 1 3 7 9 21 49 63 147 343 431 441 1029 1293 3017 3087 3879 9051 21119 27153 63357 147833 190071 443499 1330497