Base | Representation |
---|---|
bin | 111010111011… |
… | …1101000010110 |
3 | 2011010211001200 |
4 | 1311313220112 |
5 | 30402224320 |
6 | 3022133330 |
7 | 523430463 |
oct | 165675026 |
9 | 64124050 |
10 | 30898710 |
11 | 16494727 |
12 | a421246 |
13 | 652b07b |
14 | 416466a |
15 | 2aa5290 |
hex | 1d77a16 |
30898710 has 48 divisors (see below), whose sum is σ = 81454464. Its totient is φ = 8125056.
The previous prime is 30898709. The next prime is 30898739. The reversal of 30898710 is 1789803.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4219 + ... + 8921.
It is an arithmetic number, because the mean of its divisors is an integer number (1696968).
Almost surely, 230898710 is an apocalyptic number.
30898710 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
It is a practical number, because each smaller number is the sum of distinct divisors of 30898710, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40727232).
30898710 is an abundant number, since it is smaller than the sum of its proper divisors (50555754).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30898710 is a wasteful number, since it uses less digits than its factorization.
30898710 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4789 (or 4786 counting only the distinct ones).
The product of its (nonzero) digits is 12096, while the sum is 36.
The square root of 30898710 is about 5558.6608099433. The cubic root of 30898710 is about 313.7955516578.
The spelling of 30898710 in words is "thirty million, eight hundred ninety-eight thousand, seven hundred ten".
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