Base | Representation |
---|---|
bin | 1000010111001… |
… | …00010101001000 |
3 | 11212222112201022 |
4 | 10023210111020 |
5 | 120424010011 |
6 | 10543212012 |
7 | 1511122313 |
oct | 413442510 |
9 | 155875638 |
10 | 70141256 |
11 | 36658189 |
12 | 1b5a7008 |
13 | 116bac03 |
14 | 945b97a |
15 | 62578db |
hex | 42e4548 |
70141256 has 64 divisors (see below), whose sum is σ = 142560000. Its totient is φ = 32288256.
The previous prime is 70141243. The next prime is 70141261. The reversal of 70141256 is 65214107.
It is an alternating number because its digits alternate between odd and even.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 788060 + ... + 788148.
It is an arithmetic number, because the mean of its divisors is an integer number (2227500).
Almost surely, 270141256 is an apocalyptic number.
It is an amenable number.
70141256 is an abundant number, since it is smaller than the sum of its proper divisors (72418744).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
70141256 is a wasteful number, since it uses less digits than its factorization.
70141256 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 246 (or 242 counting only the distinct ones).
The product of its (nonzero) digits is 1680, while the sum is 26.
The square root of 70141256 is about 8375.0376715571. The cubic root of 70141256 is about 412.4055609945.
The spelling of 70141256 in words is "seventy million, one hundred forty-one thousand, two hundred fifty-six".
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