Search a number
-
+
29471443 is a prime number
BaseRepresentation
bin111000001101…
…1001011010011
32001110022012221
41300123023103
530021041233
62531401511
7505334401
oct160331323
961408187
1029471443
11156aa371
129a53297
13614b531
143cb2471
1528c242d
hex1c1b2d3

29471443 has 2 divisors, whose sum is σ = 29471444. Its totient is φ = 29471442.

The previous prime is 29471423. The next prime is 29471447. The reversal of 29471443 is 34417492.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-29471443 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 29471399 and 29471408.

It is not a weakly prime, because it can be changed into another prime (29471447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14735721 + 14735722.

It is an arithmetic number, because the mean of its divisors is an integer number (14735722).

Almost surely, 229471443 is an apocalyptic number.

29471443 is a deficient number, since it is larger than the sum of its proper divisors (1).

29471443 is an equidigital number, since it uses as much as digits as its factorization.

29471443 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 24192, while the sum is 34.

The square root of 29471443 is about 5428.7607241432. The cubic root of 29471443 is about 308.8875947006.

The spelling of 29471443 in words is "twenty-nine million, four hundred seventy-one thousand, four hundred forty-three".