Search a number
-
+
29728303 = 116314283
BaseRepresentation
bin111000101100…
…1111000101111
32001221100120021
41301121320233
530102301203
62541103011
7510454303
oct161317057
961840507
1029728303
1115865350
129b57a67
13620b417
143d3bd03
1529235bd
hex1c59e2f

29728303 has 8 divisors (see below), whose sum is σ = 32489856. Its totient is φ = 26976600.

The previous prime is 29728267. The next prime is 29728313. The reversal of 29728303 is 30382792.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-29728303 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29728313) 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, 4800 + ... + 9082.

It is an arithmetic number, because the mean of its divisors is an integer number (4061232).

Almost surely, 229728303 is an apocalyptic number.

29728303 is a deficient number, since it is larger than the sum of its proper divisors (2761553).

29728303 is a wasteful number, since it uses less digits than its factorization.

29728303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4925.

The product of its (nonzero) digits is 18144, while the sum is 34.

The square root of 29728303 is about 5452.3667338139. The cubic root of 29728303 is about 309.7823758767.

The spelling of 29728303 in words is "twenty-nine million, seven hundred twenty-eight thousand, three hundred three".

Divisors: 1 11 631 4283 6941 47113 2702573 29728303