Search a number
-
+
29671361 = 53737669
BaseRepresentation
bin111000100101…
…1111111000001
32001211110110022
41301023333001
530043440421
62535543225
7510126266
oct161137701
961743408
1029671361
1115826595
129b2ab15
1361bb525
143d2526d
1529117ab
hex1c4bfc1

29671361 has 8 divisors (see below), whose sum is σ = 30649320. Its totient is φ = 28708992.

The previous prime is 29671351. The next prime is 29671363. The reversal of 29671361 is 16317692.

It can be written as a sum of positive squares in 4 ways, for example, as 15840400 + 13830961 = 3980^2 + 3719^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 29671361 - 218 = 29409217 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (29671363) 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, 35 + ... + 7703.

It is an arithmetic number, because the mean of its divisors is an integer number (3831165).

Almost surely, 229671361 is an apocalyptic number.

It is an amenable number.

29671361 is a deficient number, since it is larger than the sum of its proper divisors (977959).

29671361 is an equidigital number, since it uses as much as digits as its factorization.

29671361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7795.

The product of its digits is 13608, while the sum is 35.

The square root of 29671361 is about 5447.1424618785. The cubic root of 29671361 is about 309.5844623212.

The spelling of 29671361 in words is "twenty-nine million, six hundred seventy-one thousand, three hundred sixty-one".

Divisors: 1 53 73 3869 7669 406457 559837 29671361