Base | Representation |
---|---|
bin | 110111011100011… |
… | …110110001111100 |
3 | 2101211100201022220 |
4 | 313130132301330 |
5 | 3401113303423 |
6 | 232145405340 |
7 | 32023452135 |
oct | 6734366174 |
9 | 2354321286 |
10 | 930212988 |
11 | 438098871 |
12 | 21b639850 |
13 | 11a9445b3 |
14 | 8b782c8c |
15 | 569e89e3 |
hex | 3771ec7c |
930212988 has 12 divisors (see below), whose sum is σ = 2170497000. Its totient is φ = 310070992.
The previous prime is 930212957. The next prime is 930212993. The reversal of 930212988 is 889212039.
It is a tau number, because it is divible by the number of its divisors (12).
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38758863 + ... + 38758886.
It is an arithmetic number, because the mean of its divisors is an integer number (180874750).
Almost surely, 2930212988 is an apocalyptic number.
It is an amenable number.
930212988 is an abundant number, since it is smaller than the sum of its proper divisors (1240284012).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
930212988 is a wasteful number, since it uses less digits than its factorization.
930212988 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 77517756 (or 77517754 counting only the distinct ones).
The product of its (nonzero) digits is 62208, while the sum is 42.
The square root of 930212988 is about 30499.3932398663. The cubic root of 930212988 is about 976.1745172454.
The spelling of 930212988 in words is "nine hundred thirty million, two hundred twelve thousand, nine hundred eighty-eight".
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