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1330530 = 23544351
BaseRepresentation
bin101000100110101100010
32111121010220
411010311202
5320034110
644303510
714211045
oct5046542
92447126
101330530
11829713
12541b96
133777c6
14268c5c
151b4370
hex144d62

1330530 has 16 divisors (see below), whose sum is σ = 3193344. Its totient is φ = 354800.

The previous prime is 1330529. The next prime is 1330541. The reversal of 1330530 is 350331.

Added to its reverse (350331) it gives a triangular number (1680861 = T1833).

It is a Harshad number since it is a multiple of its sum of digits (15).

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, 22146 + ... + 22205.

It is an arithmetic number, because the mean of its divisors is an integer number (199584).

21330530 is an apocalyptic number.

1330530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1330530 is an abundant number, since it is smaller than the sum of its proper divisors (1862814).

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

1330530 is a wasteful number, since it uses less digits than its factorization.

1330530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44361.

The product of its (nonzero) digits is 135, while the sum is 15.

The square root of 1330530 is about 1153.4860207215. The cubic root of 1330530 is about 109.9870508173.

Adding to 1330530 its reverse (350331), we get a palindrome (1680861).

The spelling of 1330530 in words is "one million, three hundred thirty thousand, five hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 44351 88702 133053 221755 266106 443510 665265 1330530