Search a number
-
+
29641393 = 2910091013
BaseRepresentation
bin111000100010…
…0101010110001
32001202221100101
41301010222301
530042011033
62535152401
7506643025
oct161045261
961687311
1029641393
1115806021
129b15701
1361aa9b2
143d18385
15290797d
hex1c44ab1

29641393 has 8 divisors (see below), whose sum is σ = 30724200. Its totient is φ = 28562688.

The previous prime is 29641373. The next prime is 29641397. The reversal of 29641393 is 39314692.

It can be written as a sum of positive squares in 4 ways, for example, as 123904 + 29517489 = 352^2 + 5433^2 .

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 29641393 - 29 = 29640881 is a prime.

It is a super-2 number, since 2×296413932 = 1757224357960898, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (29641397) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 28755 + ... + 29767.

It is an arithmetic number, because the mean of its divisors is an integer number (3840525).

Almost surely, 229641393 is an apocalyptic number.

It is an amenable number.

29641393 is a deficient number, since it is larger than the sum of its proper divisors (1082807).

29641393 is a wasteful number, since it uses less digits than its factorization.

29641393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2051.

The product of its digits is 34992, while the sum is 37.

The square root of 29641393 is about 5444.3909668575. The cubic root of 29641393 is about 309.4802007025.

The spelling of 29641393 in words is "twenty-nine million, six hundred forty-one thousand, three hundred ninety-three".

Divisors: 1 29 1009 1013 29261 29377 1022117 29641393