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29893291 is a prime number
BaseRepresentation
bin111001000001…
…0001010101011
32002020201212221
41302002022223
530123041131
62544414511
7512042311
oct162021253
962221787
1029893291
11159682aa
12a017437
13626854c
143d820b1
152957411
hex1c822ab

29893291 has 2 divisors, whose sum is σ = 29893292. Its totient is φ = 29893290.

The previous prime is 29893277. The next prime is 29893309. The reversal of 29893291 is 19239892.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 29893291 - 211 = 29891243 is a prime.

It is not a weakly prime, because it can be changed into another prime (29891291) 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, 14946645 + 14946646.

It is an arithmetic number, because the mean of its divisors is an integer number (14946646).

Almost surely, 229893291 is an apocalyptic number.

29893291 is a deficient number, since it is larger than the sum of its proper divisors (1).

29893291 is an equidigital number, since it uses as much as digits as its factorization.

29893291 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 69984, while the sum is 43.

The square root of 29893291 is about 5467.4757429732. The cubic root of 29893291 is about 310.3544021736.

The spelling of 29893291 in words is "twenty-nine million, eight hundred ninety-three thousand, two hundred ninety-one".