Search a number
-
+
29946121 is a prime number
BaseRepresentation
bin111001000111…
…1000100001001
32002100102100121
41302033010021
530131233441
62545503241
7512352322
oct162170411
962312317
1029946121
11159a3a67
12a041b21
1362865ca
143d97449
152967dd1
hex1c8f109

29946121 has 2 divisors, whose sum is σ = 29946122. Its totient is φ = 29946120.

The previous prime is 29946089. The next prime is 29946139. The reversal of 29946121 is 12164992.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 15015625 + 14930496 = 3875^2 + 3864^2 .

It is a cyclic number.

It is not a de Polignac number, because 29946121 - 25 = 29946089 is a prime.

It is not a weakly prime, because it can be changed into another prime (29946221) 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 as a sum of consecutive naturals, namely, 14973060 + 14973061.

It is an arithmetic number, because the mean of its divisors is an integer number (14973061).

Almost surely, 229946121 is an apocalyptic number.

It is an amenable number.

29946121 is a deficient number, since it is larger than the sum of its proper divisors (1).

29946121 is an equidigital number, since it uses as much as digits as its factorization.

29946121 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7776, while the sum is 34.

The square root of 29946121 is about 5472.3049074407. The cubic root of 29946121 is about 310.5371229243.

The spelling of 29946121 in words is "twenty-nine million, nine hundred forty-six thousand, one hundred twenty-one".