Search a number
-
+
29427 = 317577
BaseRepresentation
bin111001011110011
31111100220
413023303
51420202
6344123
7151536
oct71363
944326
1029427
1120122
1215043
1310518
14aa1d
158abc
hex72f3

29427 has 8 divisors (see below), whose sum is σ = 41616. Its totient is φ = 18432.

The previous prime is 29423. The next prime is 29429. The reversal of 29427 is 72492.

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

It is not a de Polignac number, because 29427 - 22 = 29423 is a prime.

It is a plaindrome in base 15.

It is a junction number, because it is equal to n+sod(n) for n = 29397 and 29406.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 29427.

It is not an unprimeable number, because it can be changed into a prime (29423) 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, 238 + ... + 339.

It is an arithmetic number, because the mean of its divisors is an integer number (5202).

229427 is an apocalyptic number.

29427 is a deficient number, since it is larger than the sum of its proper divisors (12189).

29427 is a wasteful number, since it uses less digits than its factorization.

29427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 597.

The product of its digits is 1008, while the sum is 24.

The square root of 29427 is about 171.5429975254. The cubic root of 29427 is about 30.8732248866.

Subtracting from 29427 its sum of digits (24), we obtain a triangular number (29403 = T242).

The spelling of 29427 in words is "twenty-nine thousand, four hundred twenty-seven".

Divisors: 1 3 17 51 577 1731 9809 29427