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29680241 = 113262657
BaseRepresentation
bin111000100111…
…0001001110001
32001211220122012
41301032021301
530044231431
62540052305
7510164213
oct161161161
961756565
1029680241
1115832228
129b34095
1361c2596
143d285b3
15291422b
hex1c4e271

29680241 has 4 divisors (see below), whose sum is σ = 29943012. Its totient is φ = 29417472.

The previous prime is 29680229. The next prime is 29680289. The reversal of 29680241 is 14208692.

29680241 is nontrivially palindromic in base 8.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 9394225 + 20286016 = 3065^2 + 4504^2 .

It is a cyclic number.

It is not a de Polignac number, because 29680241 - 26 = 29680177 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 29680198 and 29680207.

It is not an unprimeable number, because it can be changed into a prime (29680291) 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, 131216 + ... + 131441.

It is an arithmetic number, because the mean of its divisors is an integer number (7485753).

Almost surely, 229680241 is an apocalyptic number.

It is an amenable number.

29680241 is a deficient number, since it is larger than the sum of its proper divisors (262771).

29680241 is a wasteful number, since it uses less digits than its factorization.

29680241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 262770.

The product of its (nonzero) digits is 6912, while the sum is 32.

The square root of 29680241 is about 5447.9575071764. The cubic root of 29680241 is about 309.6153432305.

The spelling of 29680241 in words is "twenty-nine million, six hundred eighty thousand, two hundred forty-one".

Divisors: 1 113 262657 29680241