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29944489 is a prime number
BaseRepresentation
bin111001000111…
…0101010101001
32002100100010011
41302032222221
530131210424
62545451521
7512344501
oct162165251
962310104
1029944489
11159a2813
12a040ba1
136285943
143d96a01
152967694
hex1c8eaa9

29944489 has 2 divisors, whose sum is σ = 29944490. Its totient is φ = 29944488.

The previous prime is 29944483. The next prime is 29944493. The reversal of 29944489 is 98444992.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 18835600 + 11108889 = 4340^2 + 3333^2 .

It is a cyclic number.

It is not a de Polignac number, because 29944489 - 219 = 29420201 is a prime.

It is a super-2 number, since 2×299444892 = 1793344842942242, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (29944483) 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, 14972244 + 14972245.

It is an arithmetic number, because the mean of its divisors is an integer number (14972245).

Almost surely, 229944489 is an apocalyptic number.

It is an amenable number.

29944489 is a deficient number, since it is larger than the sum of its proper divisors (1).

29944489 is an equidigital number, since it uses as much as digits as its factorization.

29944489 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 746496, while the sum is 49.

The square root of 29944489 is about 5472.1557909109. The cubic root of 29944489 is about 310.5314816172.

The spelling of 29944489 in words is "twenty-nine million, nine hundred forty-four thousand, four hundred eighty-nine".