Search a number
-
+
3450 = 235223
BaseRepresentation
bin110101111010
311201210
4311322
5102300
623550
713026
oct6572
94653
103450
112657
121bb6
131755
141386
151050
hexd7a

3450 has 24 divisors (see below), whose sum is σ = 8928. Its totient is φ = 880.

The previous prime is 3449. The next prime is 3457. The reversal of 3450 is 543.

Adding to 3450 its reverse (543), we get a palindrome (3993).

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3457) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 139 + ... + 161.

It is an arithmetic number, because the mean of its divisors is an integer number (372).

3450 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 3450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4464).

3450 is an abundant number, since it is smaller than the sum of its proper divisors (5478).

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

3450 is a wasteful number, since it uses less digits than its factorization.

3450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38 (or 33 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 12.

The square root of 3450 is about 58.7367006224. The cubic root of 3450 is about 15.1102980788.

The spelling of 3450 in words is "three thousand, four hundred fifty".

Divisors: 1 2 3 5 6 10 15 23 25 30 46 50 69 75 115 138 150 230 345 575 690 1150 1725 3450