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1330538 = 211197307
BaseRepresentation
bin101000100110101101010
32111121011012
411010311222
5320034123
644303522
714211056
oct5046552
92447135
101330538
11829720
12541ba2
13377801
14268c66
151b4378
hex144d6a

1330538 has 16 divisors (see below), whose sum is σ = 2195424. Its totient is φ = 599760.

The previous prime is 1330529. The next prime is 1330541. The reversal of 1330538 is 8350331.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4181 + ... + 4487.

It is an arithmetic number, because the mean of its divisors is an integer number (137214).

21330538 is an apocalyptic number.

1330538 is a deficient number, since it is larger than the sum of its proper divisors (864886).

1330538 is a wasteful number, since it uses less digits than its factorization.

1330538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 517.

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 1330538 is about 1153.4894884653. The cubic root of 1330538 is about 109.9872712544.

Adding to 1330538 its reverse (8350331), we get a palindrome (9680869).

The spelling of 1330538 in words is "one million, three hundred thirty thousand, five hundred thirty-eight".

Divisors: 1 2 11 22 197 307 394 614 2167 3377 4334 6754 60479 120958 665269 1330538