Base | Representation |
---|---|
bin | 111001000101… |
… | …1001100101111 |
3 | 2002022121122011 |
4 | 1302023030233 |
5 | 30130232122 |
6 | 2545302051 |
7 | 512255212 |
oct | 162131457 |
9 | 62277564 |
10 | 29930287 |
11 | 15993082 |
12 | a034927 |
13 | 627c33a |
14 | 3d91779 |
15 | 2963377 |
hex | 1c8b32f |
29930287 has 8 divisors (see below), whose sum is σ = 31182480. Its totient is φ = 28703040.
The previous prime is 29930281. The next prime is 29930293. The reversal of 29930287 is 78203992.
It is an interprime number because it is at equal distance from previous prime (29930281) and next prime (29930293).
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 29930287 - 215 = 29897519 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (29930281) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3768 + ... + 8605.
It is an arithmetic number, because the mean of its divisors is an integer number (3897810).
Almost surely, 229930287 is an apocalyptic number.
29930287 is a deficient number, since it is larger than the sum of its proper divisors (1252193).
29930287 is a wasteful number, since it uses less digits than its factorization.
29930287 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 12473.
The product of its (nonzero) digits is 54432, while the sum is 40.
The square root of 29930287 is about 5470.8579765883. The cubic root of 29930287 is about 310.4823811467.
The spelling of 29930287 in words is "twenty-nine million, nine hundred thirty thousand, two hundred eighty-seven".
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