Base | Representation |
---|---|
bin | 111000000111… |
… | …0001111111001 |
3 | 2001100121120200 |
4 | 1300032033321 |
5 | 30012342424 |
6 | 2530312413 |
7 | 505024122 |
oct | 160161771 |
9 | 61317520 |
10 | 29418489 |
11 | 15673601 |
12 | 9a28709 |
13 | 61303b9 |
14 | 3c9b049 |
15 | 28b18c9 |
hex | 1c0e3f9 |
29418489 has 12 divisors (see below), whose sum is σ = 43076436. Its totient is φ = 19343232.
The previous prime is 29418481. The next prime is 29418497. The reversal of 29418489 is 98481492.
It is an interprime number because it is at equal distance from previous prime (29418481) and next prime (29418497).
It can be written as a sum of positive squares in 2 ways, for example, as 24206400 + 5212089 = 4920^2 + 2283^2 .
It is not a de Polignac number, because 29418489 - 23 = 29418481 is a prime.
It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.
It is not an unprimeable number, because it can be changed into a prime (29418481) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21732 + ... + 23045.
It is an arithmetic number, because the mean of its divisors is an integer number (3589703).
Almost surely, 229418489 is an apocalyptic number.
It is an amenable number.
29418489 is a deficient number, since it is larger than the sum of its proper divisors (13657947).
29418489 is a wasteful number, since it uses less digits than its factorization.
29418489 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 44856 (or 44853 counting only the distinct ones).
The product of its digits is 165888, while the sum is 45.
The square root of 29418489 is about 5423.8813593219. The cubic root of 29418489 is about 308.7024817187.
The spelling of 29418489 in words is "twenty-nine million, four hundred eighteen thousand, four hundred eighty-nine".
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