Base | Representation |
---|---|
bin | 111001110101110… |
… | …001110011001000 |
3 | 2111121222101001202 |
4 | 321311301303020 |
5 | 3441410231140 |
6 | 240143003332 |
7 | 33022153241 |
oct | 7165616310 |
9 | 2447871052 |
10 | 970398920 |
11 | 458846087 |
12 | 230b99548 |
13 | 12607495a |
14 | 92c43cc8 |
15 | 5a2d5915 |
hex | 39d71cc8 |
970398920 has 32 divisors (see below), whose sum is σ = 2195476920. Its totient is φ = 386012160.
The previous prime is 970398907. The next prime is 970398929. The reversal of 970398920 is 29893079.
It can be written as a sum of positive squares in 4 ways, for example, as 501849604 + 468549316 = 22402^2 + 21646^2 .
It is not an unprimeable number, because it can be changed into a prime (970398929) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59777 + ... + 74256.
Almost surely, 2970398920 is an apocalyptic number.
It is an amenable number.
970398920 is an abundant number, since it is smaller than the sum of its proper divisors (1225078000).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
970398920 is a wasteful number, since it uses less digits than its factorization.
970398920 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 134225 (or 134221 counting only the distinct ones).
The product of its (nonzero) digits is 244944, while the sum is 47.
The square root of 970398920 is about 31151.2266211140. The cubic root of 970398920 is about 990.0339817605.
The spelling of 970398920 in words is "nine hundred seventy million, three hundred ninety-eight thousand, nine hundred twenty".
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