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29899271 is a prime number
BaseRepresentation
bin111001000001…
…1101000000111
32002021001002102
41302003220013
530123234041
62544502315
7512065613
oct162035007
962231072
1029899271
1115971846
12a01a99b
13626b19c
143d84343
15295909b
hex1c83a07

29899271 has 2 divisors, whose sum is σ = 29899272. Its totient is φ = 29899270.

The previous prime is 29899249. The next prime is 29899297. The reversal of 29899271 is 17299892.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 29899271 - 210 = 29898247 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (29899231) 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, 14949635 + 14949636.

It is an arithmetic number, because the mean of its divisors is an integer number (14949636).

Almost surely, 229899271 is an apocalyptic number.

29899271 is a deficient number, since it is larger than the sum of its proper divisors (1).

29899271 is an equidigital number, since it uses as much as digits as its factorization.

29899271 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 163296, while the sum is 47.

The square root of 29899271 is about 5468.0225859080. The cubic root of 29899271 is about 310.3750957308.

The spelling of 29899271 in words is "twenty-nine million, eight hundred ninety-nine thousand, two hundred seventy-one".