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4740 = 223579
BaseRepresentation
bin1001010000100
320111120
41022010
5122430
633540
716551
oct11204
96446
104740
11361a
1228b0
132208
141a28
151610
hex1284

4740 has 24 divisors (see below), whose sum is σ = 13440. Its totient is φ = 1248.

The previous prime is 4733. The next prime is 4751. The reversal of 4740 is 474.

4740 = T11 + T12 + ... + T30.

4740 is nontrivially palindromic in base 9.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

4740 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21 + ... + 99.

It is an arithmetic number, because the mean of its divisors is an integer number (560).

24740 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 4740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6720).

4740 is an abundant number, since it is smaller than the sum of its proper divisors (8700).

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

4740 is a wasteful number, since it uses less digits than its factorization.

4740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91 (or 89 counting only the distinct ones).

The product of its (nonzero) digits is 112, while the sum is 15.

The square root of 4740 is about 68.8476579122. The cubic root of 4740 is about 16.7980723412.

The spelling of 4740 in words is "four thousand, seven hundred forty", and thus it is an iban number.

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 79 158 237 316 395 474 790 948 1185 1580 2370 4740