Base | Representation |
---|---|
bin | 111010010011010… |
… | …110001110111010 |
3 | 2112011120012000000 |
4 | 322103112032322 |
5 | 4000401302310 |
6 | 241021053430 |
7 | 33145066143 |
oct | 7223261672 |
9 | 2464505000 |
10 | 978150330 |
11 | 46215a903 |
12 | 2336b7276 |
13 | 127859ba1 |
14 | 93ca0aca |
15 | 5ad174c0 |
hex | 3a4d63ba |
978150330 has 56 divisors (see below), whose sum is σ = 2639817972. Its totient is φ = 260838144.
The previous prime is 978150307. The next prime is 978150337. The reversal of 978150330 is 33051879.
It can be written as a sum of positive squares in 2 ways, for example, as 935809281 + 42341049 = 30591^2 + 6507^2 .
It is not an unprimeable number, because it can be changed into a prime (978150337) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 59799 + ... + 74378.
Almost surely, 2978150330 is an apocalyptic number.
978150330 is a gapful number since it is divisible by the number (90) formed by its first and last digit.
978150330 is an abundant number, since it is smaller than the sum of its proper divisors (1661667642).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
978150330 is a wasteful number, since it uses less digits than its factorization.
978150330 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 134202 (or 134187 counting only the distinct ones).
The product of its (nonzero) digits is 22680, while the sum is 36.
The square root of 978150330 is about 31275.3949615349. The cubic root of 978150330 is about 992.6630778905.
The spelling of 978150330 in words is "nine hundred seventy-eight million, one hundred fifty thousand, three hundred thirty".
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