Search a number
-
+
29894307 = 39964769
BaseRepresentation
bin111001000001…
…0011010100011
32002020210021120
41302002122203
530123104212
62544423323
7512045262
oct162023243
962223246
1029894307
1115969043
12a017b43
136268b51
143d825d9
15295788c
hex1c826a3

29894307 has 4 divisors (see below), whose sum is σ = 39859080. Its totient is φ = 19929536.

The previous prime is 29894287. The next prime is 29894309. The reversal of 29894307 is 70349892.

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

It is a cyclic number.

It is not a de Polignac number, because 29894307 - 223 = 21505699 is a prime.

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

It is not an unprimeable number, because it can be changed into a prime (29894309) 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 3 ways as a sum of consecutive naturals, for example, 4982382 + ... + 4982387.

It is an arithmetic number, because the mean of its divisors is an integer number (9964770).

Almost surely, 229894307 is an apocalyptic number.

29894307 is a deficient number, since it is larger than the sum of its proper divisors (9964773).

29894307 is an equidigital number, since it uses as much as digits as its factorization.

29894307 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9964772.

The product of its (nonzero) digits is 108864, while the sum is 42.

The square root of 29894307 is about 5467.5686552617. The cubic root of 29894307 is about 310.3579181966.

The spelling of 29894307 in words is "twenty-nine million, eight hundred ninety-four thousand, three hundred seven".

Divisors: 1 3 9964769 29894307