Base | Representation |
---|---|
bin | 111001110101101… |
… | …110011111101100 |
3 | 2111121221200111120 |
4 | 321311232133230 |
5 | 3441404313023 |
6 | 240142420540 |
7 | 33022065630 |
oct | 7165563754 |
9 | 2447850446 |
10 | 970385388 |
11 | 4588369a5 |
12 | 230b91750 |
13 | 12606b74b |
14 | 92c3cdc0 |
15 | 5a2d18e3 |
hex | 39d6e7ec |
970385388 has 48 divisors (see below), whose sum is σ = 2626331904. Its totient is φ = 273113280.
The previous prime is 970385369. The next prime is 970385389. The reversal of 970385388 is 883583079.
It is a happy number.
It is a self number, because there is not a number n which added to its sum of digits gives 970385388.
It is not an unprimeable number, because it can be changed into a prime (970385389) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 80583 + ... + 91838.
It is an arithmetic number, because the mean of its divisors is an integer number (54715248).
Almost surely, 2970385388 is an apocalyptic number.
It is an amenable number.
970385388 is an abundant number, since it is smaller than the sum of its proper divisors (1655946516).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
970385388 is a wasteful number, since it uses less digits than its factorization.
970385388 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 172502 (or 172500 counting only the distinct ones).
The product of its (nonzero) digits is 1451520, while the sum is 51.
The square root of 970385388 is about 31151.0094218470. The cubic root of 970385388 is about 990.0293798035.
The spelling of 970385388 in words is "nine hundred seventy million, three hundred eighty-five thousand, three hundred eighty-eight".
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