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4340 = 225731
BaseRepresentation
bin1000011110100
312221202
41003310
5114330
632032
715440
oct10364
95852
104340
113296
122618
131c8b
141820
151445
hex10f4

4340 has 24 divisors (see below), whose sum is σ = 10752. Its totient is φ = 1440.

The previous prime is 4339. The next prime is 4349. The reversal of 4340 is 434.

Adding to 4340 its reverse (434), we get a palindrome (4774).

4340 = T35 + T36 + ... + T40.

It is a plaindrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4349) 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, 125 + ... + 155.

It is an arithmetic number, because the mean of its divisors is an integer number (448).

24340 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 4340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5376).

4340 is an abundant number, since it is smaller than the sum of its proper divisors (6412).

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

4340 is a wasteful number, since it uses less digits than its factorization.

4340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47 (or 45 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 11.

The square root of 4340 is about 65.8786763680. The cubic root of 4340 is about 16.3116005092.

The spelling of 4340 in words is "four thousand, three hundred forty", and thus it is an iban number.

Divisors: 1 2 4 5 7 10 14 20 28 31 35 62 70 124 140 155 217 310 434 620 868 1085 2170 4340