Base | Representation |
---|---|
bin | 1000010111111… |
… | …00101001011000 |
3 | 11220011121100012 |
4 | 10023330221120 |
5 | 120440201411 |
6 | 10545301052 |
7 | 1512015560 |
oct | 413745130 |
9 | 156147305 |
10 | 70240856 |
11 | 36715aa4 |
12 | 1b634788 |
13 | 1172434a |
14 | 9485da0 |
15 | 627718b |
hex | 42fca58 |
70240856 has 16 divisors (see below), whose sum is σ = 150516240. Its totient is φ = 30103200.
The previous prime is 70240811. The next prime is 70240861. The reversal of 70240856 is 65804207.
It is a super-3 number, since 3×702408563 (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 627095 + ... + 627206.
It is an arithmetic number, because the mean of its divisors is an integer number (9407265).
Almost surely, 270240856 is an apocalyptic number.
It is an amenable number.
70240856 is an abundant number, since it is smaller than the sum of its proper divisors (80275384).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
70240856 is a wasteful number, since it uses less digits than its factorization.
70240856 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1254314 (or 1254310 counting only the distinct ones).
The product of its (nonzero) digits is 13440, while the sum is 32.
The square root of 70240856 is about 8380.9818040609. The cubic root of 70240856 is about 412.6006728265.
The spelling of 70240856 in words is "seventy million, two hundred forty thousand, eight hundred fifty-six".
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