Base | Representation |
---|---|
bin | 1000011000001… |
… | …11110000110000 |
3 | 11220020220210102 |
4 | 10030013300300 |
5 | 120443131014 |
6 | 10550251532 |
7 | 1512265400 |
oct | 414076060 |
9 | 156226712 |
10 | 70286384 |
11 | 36747223 |
12 | 1b656ba8 |
13 | 1173bc9c |
14 | 9498800 |
15 | 62858de |
hex | 4307c30 |
70286384 has 60 divisors (see below), whose sum is σ = 162761904. Its totient is φ = 29296512.
The previous prime is 70286327. The next prime is 70286387. The reversal of 70286384 is 48368207.
It is not an unprimeable number, because it can be changed into a prime (70286387) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 27797 + ... + 30219.
Almost surely, 270286384 is an apocalyptic number.
70286384 is a gapful number since it is divisible by the number (74) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 70286384, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (81380952).
70286384 is an abundant number, since it is smaller than the sum of its proper divisors (92475520).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
70286384 is a wasteful number, since it uses less digits than its factorization.
70286384 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2482 (or 2469 counting only the distinct ones).
The product of its (nonzero) digits is 64512, while the sum is 38.
The square root of 70286384 is about 8383.6975136273. The cubic root of 70286384 is about 412.6897986685.
The spelling of 70286384 in words is "seventy million, two hundred eighty-six thousand, three hundred eighty-four".
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