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29988193 is a prime number
BaseRepresentation
bin111001001100…
…1010101100001
32002102120001211
41302121111201
530134110233
62550430121
7512616064
oct162312541
962376054
1029988193
1115a22634
12a062341
13629c7c1
143da88db
1529755cd
hex1c99561

29988193 has 2 divisors, whose sum is σ = 29988194. Its totient is φ = 29988192.

The previous prime is 29988173. The next prime is 29988263. The reversal of 29988193 is 39188992.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21967969 + 8020224 = 4687^2 + 2832^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-29988193 is a prime.

It is not a weakly prime, because it can be changed into another prime (29988143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14994096 + 14994097.

It is an arithmetic number, because the mean of its divisors is an integer number (14994097).

Almost surely, 229988193 is an apocalyptic number.

It is an amenable number.

29988193 is a deficient number, since it is larger than the sum of its proper divisors (1).

29988193 is an equidigital number, since it uses as much as digits as its factorization.

29988193 is an evil number, because the sum of its binary digits is even.

The product of its digits is 279936, while the sum is 49.

The square root of 29988193 is about 5476.1476422755. The cubic root of 29988193 is about 310.6824818085.

The spelling of 29988193 in words is "twenty-nine million, nine hundred eighty-eight thousand, one hundred ninety-three".