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3729 = 311113
BaseRepresentation
bin111010010001
312010010
4322101
5104404
625133
713605
oct7221
95103
103729
112890
1221a9
13190b
141505
151189
hexe91

3729 has 8 divisors (see below), whose sum is σ = 5472. Its totient is φ = 2240.

The previous prime is 3727. The next prime is 3733. The reversal of 3729 is 9273.

3729 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3729 - 21 = 3727 is a prime.

It is a Curzon number.

It is a plaindrome in base 15.

It is a nialpdrome in base 8 and base 16.

It is not an unprimeable number, because it can be changed into a prime (3727) 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, 24 + ... + 89.

It is an arithmetic number, because the mean of its divisors is an integer number (684).

23729 is an apocalyptic number.

3729 is the 33-rd nonagonal number.

It is an amenable number.

3729 is a deficient number, since it is larger than the sum of its proper divisors (1743).

3729 is a wasteful number, since it uses less digits than its factorization.

3729 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127.

The product of its digits is 378, while the sum is 21.

The square root of 3729 is about 61.0655385631. The cubic root of 3729 is about 15.5071073891.

The spelling of 3729 in words is "three thousand, seven hundred twenty-nine".

Divisors: 1 3 11 33 113 339 1243 3729