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29108241 = 3639929
BaseRepresentation
bin110111100001…
…0100000010001
32000202212000000
41233002200101
524422430431
62515520213
7502262451
oct157024021
960685000
1029108241
11154814a8
1298b9069
136052116
143c19d61
15284e9e6
hex1bc2811

29108241 has 14 divisors (see below), whose sum is σ = 43643490. Its totient is φ = 19405008.

The previous prime is 29108231. The next prime is 29108243. The reversal of 29108241 is 14280192.

It can be written as a sum of positive squares in only one way, i.e., 21818241 + 7290000 = 4671^2 + 2700^2 .

It is not a de Polignac number, because 29108241 - 27 = 29108113 is a prime.

It is a super-2 number, since 2×291082412 = 1694579388228162, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (29108243) by changing a digit.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 19236 + ... + 20693.

Almost surely, 229108241 is an apocalyptic number.

It is an amenable number.

29108241 is a deficient number, since it is larger than the sum of its proper divisors (14535249).

29108241 is an frugal number, since it uses more digits than its factorization.

29108241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39947 (or 39932 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 27.

The square root of 29108241 is about 5395.2053714386. The cubic root of 29108241 is about 307.6134501072.

The spelling of 29108241 in words is "twenty-nine million, one hundred eight thousand, two hundred forty-one".

Divisors: 1 3 9 27 81 243 729 39929 119787 359361 1078083 3234249 9702747 29108241