Base | Representation |
---|---|
bin | 110111110111… |
… | …1110101011111 |
3 | 2001010021200222 |
4 | 1233233311133 |
5 | 24444401134 |
6 | 2523511555 |
7 | 503665004 |
oct | 157576537 |
9 | 61107628 |
10 | 29293919 |
11 | 15598a56 |
12 | 99885bb |
13 | 60b87a5 |
14 | 3c678ab |
15 | 2889a2e |
hex | 1befd5f |
29293919 has 2 divisors, whose sum is σ = 29293920. Its totient is φ = 29293918.
The previous prime is 29293897. The next prime is 29293963. The reversal of 29293919 is 91939292.
It is an a-pointer prime, because the next prime (29293963) can be obtained adding 29293919 to its sum of digits (44).
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 29293919 - 216 = 29228383 is a prime.
It is a super-2 number, since 2×292939192 = 1716267380757122, which contains 22 as substring.
It is a Sophie Germain prime.
It is a Chen prime.
It is a self number, because there is not a number n which added to its sum of digits gives 29293919.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (29293519) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14646959 + 14646960.
It is an arithmetic number, because the mean of its divisors is an integer number (14646960).
Almost surely, 229293919 is an apocalyptic number.
29293919 is a deficient number, since it is larger than the sum of its proper divisors (1).
29293919 is an equidigital number, since it uses as much as digits as its factorization.
29293919 is an evil number, because the sum of its binary digits is even.
The product of its digits is 78732, while the sum is 44.
The square root of 29293919 is about 5412.3857031812. The cubic root of 29293919 is about 308.2661407678.
The spelling of 29293919 in words is "twenty-nine million, two hundred ninety-three thousand, nine hundred nineteen".
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