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3729289 = 23162143
BaseRepresentation
bin1110001110011110001001
321000110121211
432032132021
51423314124
6211533121
743461364
oct16163611
97013554
103729289
112117963
1212ba1a1
13a075a5
146d10db
154d9e94
hex38e789

3729289 has 4 divisors (see below), whose sum is σ = 3891456. Its totient is φ = 3567124.

The previous prime is 3729259. The next prime is 3729293. The reversal of 3729289 is 9829273.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 3729289 - 27 = 3729161 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3729259) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 81049 + ... + 81094.

It is an arithmetic number, because the mean of its divisors is an integer number (972864).

Almost surely, 23729289 is an apocalyptic number.

It is an amenable number.

3729289 is a deficient number, since it is larger than the sum of its proper divisors (162167).

3729289 is a wasteful number, since it uses less digits than its factorization.

3729289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162166.

The product of its digits is 54432, while the sum is 40.

The square root of 3729289 is about 1931.1367118876. The cubic root of 3729289 is about 155.0750798249.

The spelling of 3729289 in words is "three million, seven hundred twenty-nine thousand, two hundred eighty-nine".

Divisors: 1 23 162143 3729289