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1330836 = 2231319449
BaseRepresentation
bin101000100111010010100
32111121120020
411010322110
5320041321
644305140
714211663
oct5047224
92447506
101330836
11829971
125421b0
133779a0
14268dda
151b44c6
hex144e94

1330836 has 48 divisors (see below), whose sum is σ = 3528000. Its totient is φ = 387072.

The previous prime is 1330831. The next prime is 1330843. The reversal of 1330836 is 6380331.

It is a super-2 number, since 2×13308362 = 3542248917792, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1330831) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2740 + ... + 3188.

It is an arithmetic number, because the mean of its divisors is an integer number (73500).

21330836 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1330836, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1764000).

1330836 is an abundant number, since it is smaller than the sum of its proper divisors (2197164).

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

1330836 is a wasteful number, since it uses less digits than its factorization.

1330836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 488 (or 486 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 24.

The square root of 1330836 is about 1153.6186544955. The cubic root of 1330836 is about 109.9954819081.

The spelling of 1330836 in words is "one million, three hundred thirty thousand, eight hundred thirty-six".

Divisors: 1 2 3 4 6 12 13 19 26 38 39 52 57 76 78 114 156 228 247 449 494 741 898 988 1347 1482 1796 2694 2964 5388 5837 8531 11674 17062 17511 23348 25593 34124 35022 51186 70044 102372 110903 221806 332709 443612 665418 1330836