Base | Representation |
---|---|
bin | 1000011100100… |
… | …10110101000000 |
3 | 11221022212011022 |
4 | 10032102311000 |
5 | 121114343000 |
6 | 11010405012 |
7 | 1520160155 |
oct | 416226500 |
9 | 157285138 |
10 | 70856000 |
11 | 36aa6186 |
12 | 1b890768 |
13 | 118ab337 |
14 | 95a622c |
15 | 6349585 |
hex | 4392d40 |
70856000 has 112 divisors (see below), whose sum is σ = 186153552. Its totient is φ = 26624000.
The previous prime is 70855963. The next prime is 70856003. The reversal of 70856000 is 65807.
It can be written as a sum of positive squares in 8 ways, for example, as 20502784 + 50353216 = 4528^2 + 7096^2 .
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (70856003) 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, 135740 + ... + 136260.
Almost surely, 270856000 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 70856000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (93076776).
70856000 is an abundant number, since it is smaller than the sum of its proper divisors (115297552).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
70856000 is a wasteful number, since it uses less digits than its factorization.
70856000 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 565 (or 545 counting only the distinct ones).
The product of its (nonzero) digits is 1680, while the sum is 26.
The square root of 70856000 is about 8417.6006082494. The cubic root of 70856000 is about 413.8016428634.
The spelling of 70856000 in words is "seventy million, eight hundred fifty-six thousand".
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