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3380872 = 2311103373
BaseRepresentation
bin1100111001011010001000
320100202200111
430321122020
51331141442
6200244104
740510525
oct14713210
96322614
103380872
1119aa110
121170634
13914b21
1464014c
1546bb17
hex339688

3380872 has 32 divisors (see below), whose sum is σ = 7001280. Its totient is φ = 1517760.

The previous prime is 3380869. The next prime is 3380873. The reversal of 3380872 is 2780833.

It is a super-2 number, since 2×33808722 = 22860590960768, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3380873) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8878 + ... + 9250.

It is an arithmetic number, because the mean of its divisors is an integer number (218790).

Almost surely, 23380872 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 3380872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3500640).

3380872 is an abundant number, since it is smaller than the sum of its proper divisors (3620408).

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

3380872 is a wasteful number, since it uses less digits than its factorization.

3380872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 493 (or 489 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 31.

The square root of 3380872 is about 1838.7147685272. The cubic root of 3380872 is about 150.0869421899.

The spelling of 3380872 in words is "three million, three hundred eighty thousand, eight hundred seventy-two".

Divisors: 1 2 4 8 11 22 44 88 103 206 373 412 746 824 1133 1492 2266 2984 4103 4532 8206 9064 16412 32824 38419 76838 153676 307352 422609 845218 1690436 3380872