Search a number
-
+
29690 = 252969
BaseRepresentation
bin111001111111010
31111201122
413033322
51422230
6345242
7152363
oct71772
944648
1029690
1120341
1215222
131068b
14ab6a
158be5
hex73fa

29690 has 8 divisors (see below), whose sum is σ = 53460. Its totient is φ = 11872.

The previous prime is 29683. The next prime is 29717. The reversal of 29690 is 9692.

It can be written as a sum of positive squares in 2 ways, for example, as 24649 + 5041 = 157^2 + 71^2 .

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

It is a super-2 number, since 2×296902 = 1762992200, which contains 22 as substring.

It is an alternating number because its digits alternate between even and odd.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1475 + ... + 1494.

229690 is an apocalyptic number.

29690 is a deficient number, since it is larger than the sum of its proper divisors (23770).

29690 is a wasteful number, since it uses less digits than its factorization.

29690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2976.

The product of its (nonzero) digits is 972, while the sum is 26.

The square root of 29690 is about 172.3078640109. The cubic root of 29690 is about 30.9649273829.

The spelling of 29690 in words is "twenty-nine thousand, six hundred ninety".

Divisors: 1 2 5 10 2969 5938 14845 29690