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3330780 = 2235431291
BaseRepresentation
bin1100101101001011011100
320021012222020
430231023130
51323041110
6155220140
740211505
oct14551334
96235866
103330780
111975512
121147650
138c809b
14629bac
1545bd70
hex32d2dc

3330780 has 48 divisors (see below), whose sum is σ = 9550464. Its totient is φ = 866880.

The previous prime is 3330773. The next prime is 3330781. The reversal of 3330780 is 870333.

It is a super-2 number, since 2×33307802 = 22188190816800, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 3330780.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3330781) 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, 1935 + ... + 3225.

It is an arithmetic number, because the mean of its divisors is an integer number (198968).

Almost surely, 23330780 is an apocalyptic number.

3330780 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3330780, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4775232).

3330780 is an abundant number, since it is smaller than the sum of its proper divisors (6219684).

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

3330780 is a wasteful number, since it uses less digits than its factorization.

3330780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1346 (or 1344 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 24.

The square root of 3330780 is about 1825.0424652594. The cubic root of 3330780 is about 149.3420067418.

The spelling of 3330780 in words is "three million, three hundred thirty thousand, seven hundred eighty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 43 60 86 129 172 215 258 430 516 645 860 1290 1291 2580 2582 3873 5164 6455 7746 12910 15492 19365 25820 38730 55513 77460 111026 166539 222052 277565 333078 555130 666156 832695 1110260 1665390 3330780