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29979193 is a prime number
BaseRepresentation
bin111001001011…
…1001000111001
32002102002201111
41302113020321
530133313233
62550320321
7512550616
oct162271071
962362644
1029979193
1115a168a2
12a0590a1
13629868a
143da550d
152972acd
hex1c97239

29979193 has 2 divisors, whose sum is σ = 29979194. Its totient is φ = 29979192.

The previous prime is 29979181. The next prime is 29979197. The reversal of 29979193 is 39197992.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 17952169 + 12027024 = 4237^2 + 3468^2 .

It is a cyclic number.

It is not a de Polignac number, because 29979193 - 217 = 29848121 is a prime.

It is not a weakly prime, because it can be changed into another prime (29979197) 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, 14989596 + 14989597.

It is an arithmetic number, because the mean of its divisors is an integer number (14989597).

Almost surely, 229979193 is an apocalyptic number.

It is an amenable number.

29979193 is a deficient number, since it is larger than the sum of its proper divisors (1).

29979193 is an equidigital number, since it uses as much as digits as its factorization.

29979193 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 275562, while the sum is 49.

The square root of 29979193 is about 5475.3258350531. The cubic root of 29979193 is about 310.6513982183.

The spelling of 29979193 in words is "twenty-nine million, nine hundred seventy-nine thousand, one hundred ninety-three".