Base | Representation |
---|---|
bin | 111010111011… |
… | …1100001001111 |
3 | 2011010210102211 |
4 | 1311313201033 |
5 | 30402221010 |
6 | 3022131251 |
7 | 523426243 |
oct | 165674117 |
9 | 64123384 |
10 | 30898255 |
11 | 16494353 |
12 | a420b27 |
13 | 652aabb |
14 | 4164423 |
15 | 2aa508a |
hex | 1d7784f |
30898255 has 8 divisors (see below), whose sum is σ = 37107792. Its totient is φ = 24698688.
The previous prime is 30898247. The next prime is 30898267. The reversal of 30898255 is 55289803.
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 30898255 - 23 = 30898247 is a prime.
It is a Duffinian number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10419 + ... + 13051.
It is an arithmetic number, because the mean of its divisors is an integer number (4638474).
Almost surely, 230898255 is an apocalyptic number.
30898255 is a deficient number, since it is larger than the sum of its proper divisors (6209537).
30898255 is a wasteful number, since it uses less digits than its factorization.
30898255 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4985.
The product of its (nonzero) digits is 86400, while the sum is 40.
The square root of 30898255 is about 5558.6198826687. The cubic root of 30898255 is about 313.7940113813.
The spelling of 30898255 in words is "thirty million, eight hundred ninety-eight thousand, two hundred fifty-five".
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