Base | Representation |
---|---|
bin | 111010111001011… |
… | …110011010110010 |
3 | 2112212100222120012 |
4 | 322321132122302 |
5 | 4010431122310 |
6 | 242015214522 |
7 | 33326045114 |
oct | 7271363262 |
9 | 2485328505 |
10 | 988145330 |
11 | 467867237 |
12 | 236b17442 |
13 | 1299493a3 |
14 | 953433b4 |
15 | 5bb3dc05 |
hex | 3ae5e6b2 |
988145330 has 8 divisors (see below), whose sum is σ = 1778661612. Its totient is φ = 395258128.
The previous prime is 988145309. The next prime is 988145339. The reversal of 988145330 is 33541889.
It can be written as a sum of positive squares in 2 ways, for example, as 922519129 + 65626201 = 30373^2 + 8101^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (988145339) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49407257 + ... + 49407276.
Almost surely, 2988145330 is an apocalyptic number.
988145330 is a deficient number, since it is larger than the sum of its proper divisors (790516282).
988145330 is a wasteful number, since it uses less digits than its factorization.
988145330 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 98814540.
The product of its (nonzero) digits is 103680, while the sum is 41.
The square root of 988145330 is about 31434.7789876118. The cubic root of 988145330 is about 996.0327248754.
The spelling of 988145330 in words is "nine hundred eighty-eight million, one hundred forty-five thousand, three hundred thirty".
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